Home / 2,783,273.40-4,174,910.10-2,152,639.80

Finding the Fourth Proportional to 2,783,273.40, 4,174,910.10 and 2,152,639.80

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Solution

The fourth proportional to 2,783,273.40, 4,174,910.10 and 2,152,639.80 is: 3,228,959.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,783,273.40 : 4,174,910.10 = 2,152,639.80 : x
  2. Step 2: Convert to fraction form
    2,783,273.40/4,174,910.10 = 2,152,639.80/x
  3. Step 3: Cross multiply
    2,783,273.40x = 4,174,910.10 × 2,152,639.80
  4. Step 4: Simplify right side
    2,783,273.40x = 8,987,077,642,681.98
  5. Step 5: Solve for x
    x = 8,987,077,642,681.98/2,783,273.40
  6. Step 6: Final answer
    x = 3,228,959.70

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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.