Home / 5,154,432.56-7,112,702.12-2,979,116.61

Finding the Fourth Proportional to 5,154,432.56, 7,112,702.12 and 2,979,116.61

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Solution

The fourth proportional to 5,154,432.56, 7,112,702.12 and 2,979,116.61 is: 4,110,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154,432.56 : 7,112,702.12 = 2,979,116.61 : x
  2. Step 2: Convert to fraction form
    5,154,432.56/7,112,702.12 = 2,979,116.61/x
  3. Step 3: Cross multiply
    5,154,432.56x = 7,112,702.12 × 2,979,116.61
  4. Step 4: Simplify right side
    5,154,432.56x = 21,189,569,003,887.75
  5. Step 5: Solve for x
    x = 21,189,569,003,887.75/5,154,432.56
  6. Step 6: Final answer
    x = 4,110,941.17

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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.