Home / 5,385,755.43-7,432,082.69-2,938,220.55

Finding the Fourth Proportional to 5,385,755.43, 7,432,082.69 and 2,938,220.55

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Solution

The fourth proportional to 5,385,755.43, 7,432,082.69 and 2,938,220.55 is: 4,054,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385,755.43 : 7,432,082.69 = 2,938,220.55 : x
  2. Step 2: Convert to fraction form
    5,385,755.43/7,432,082.69 = 2,938,220.55/x
  3. Step 3: Cross multiply
    5,385,755.43x = 7,432,082.69 × 2,938,220.55
  4. Step 4: Simplify right side
    5,385,755.43x = 21,837,098,074,366.18
  5. Step 5: Solve for x
    x = 21,837,098,074,366.18/5,385,755.43
  6. Step 6: Final answer
    x = 4,054,602.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.