Home / 6,428,312.92-9,642,192.90-1,940,455

Finding the Fourth Proportional to 6,428,312.92, 9,642,192.90 and 1,940,455

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Solution

The fourth proportional to 6,428,312.92, 9,642,192.90 and 1,940,455 is: 2,910,599.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428,312.92 : 9,642,192.90 = 1,940,455 : x
  2. Step 2: Convert to fraction form
    6,428,312.92/9,642,192.90 = 1,940,455/x
  3. Step 3: Cross multiply
    6,428,312.92x = 9,642,192.90 × 1,940,455
  4. Step 4: Simplify right side
    6,428,312.92x = 18,710,241,423,769.50
  5. Step 5: Solve for x
    x = 18,710,241,423,769.50/6,428,312.92
  6. Step 6: Final answer
    x = 2,910,599.04

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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.