Home / 2,753,657.70-4,128,882.72-1,068,792.90

Finding the Fourth Proportional to 2,753,657.70, 4,128,882.72 and 1,068,792.90

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Solution

The fourth proportional to 2,753,657.70, 4,128,882.72 and 1,068,792.90 is: 1,602,566.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753,657.70 : 4,128,882.72 = 1,068,792.90 : x
  2. Step 2: Convert to fraction form
    2,753,657.70/4,128,882.72 = 1,068,792.90/x
  3. Step 3: Cross multiply
    2,753,657.70x = 4,128,882.72 × 1,068,792.90
  4. Step 4: Simplify right side
    2,753,657.70x = 4,412,920,536,068.69
  5. Step 5: Solve for x
    x = 4,412,920,536,068.69/2,753,657.70
  6. Step 6: Final answer
    x = 1,602,566.85

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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.