Home / 3,639,810.30-5,459,715.45-2,931,222.30

Finding the Fourth Proportional to 3,639,810.30, 5,459,715.45 and 2,931,222.30

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Solution

The fourth proportional to 3,639,810.30, 5,459,715.45 and 2,931,222.30 is: 4,396,833.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,810.30 : 5,459,715.45 = 2,931,222.30 : x
  2. Step 2: Convert to fraction form
    3,639,810.30/5,459,715.45 = 2,931,222.30/x
  3. Step 3: Cross multiply
    3,639,810.30x = 5,459,715.45 × 2,931,222.30
  4. Step 4: Simplify right side
    3,639,810.30x = 16,003,639,678,694.54
  5. Step 5: Solve for x
    x = 16,003,639,678,694.54/3,639,810.30
  6. Step 6: Final answer
    x = 4,396,833.45

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Double scale
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Similar ratio
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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.