Home / 6,289,422.40-9,434,133.60-4,021,940.80

Finding the Fourth Proportional to 6,289,422.40, 9,434,133.60 and 4,021,940.80

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Solution

The fourth proportional to 6,289,422.40, 9,434,133.60 and 4,021,940.80 is: 6,032,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,289,422.40 : 9,434,133.60 = 4,021,940.80 : x
  2. Step 2: Convert to fraction form
    6,289,422.40/9,434,133.60 = 4,021,940.80/x
  3. Step 3: Cross multiply
    6,289,422.40x = 9,434,133.60 × 4,021,940.80
  4. Step 4: Simplify right side
    6,289,422.40x = 37,943,526,838,490.88
  5. Step 5: Solve for x
    x = 37,943,526,838,490.88/6,289,422.40
  6. Step 6: Final answer
    x = 6,032,911.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.