Home / 6,439,273.40-9,658,910.10-1,950,966.20

Finding the Fourth Proportional to 6,439,273.40, 9,658,910.10 and 1,950,966.20

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Solution

The fourth proportional to 6,439,273.40, 9,658,910.10 and 1,950,966.20 is: 2,926,449.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439,273.40 : 9,658,910.10 = 1,950,966.20 : x
  2. Step 2: Convert to fraction form
    6,439,273.40/9,658,910.10 = 1,950,966.20/x
  3. Step 3: Cross multiply
    6,439,273.40x = 9,658,910.10 × 1,950,966.20
  4. Step 4: Simplify right side
    6,439,273.40x = 18,844,207,133,938.62
  5. Step 5: Solve for x
    x = 18,844,207,133,938.62/6,439,273.40
  6. Step 6: Final answer
    x = 2,926,449.30

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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.