Home / 2,979,079.62-4,111,432.47-1,755,779.04

Finding the Fourth Proportional to 2,979,079.62, 4,111,432.47 and 1,755,779.04

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Solution

The fourth proportional to 2,979,079.62, 4,111,432.47 and 1,755,779.04 is: 2,423,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,079.62 : 4,111,432.47 = 1,755,779.04 : x
  2. Step 2: Convert to fraction form
    2,979,079.62/4,111,432.47 = 1,755,779.04/x
  3. Step 3: Cross multiply
    2,979,079.62x = 4,111,432.47 × 1,755,779.04
  4. Step 4: Simplify right side
    2,979,079.62x = 7,218,766,955,201.43
  5. Step 5: Solve for x
    x = 7,218,766,955,201.43/2,979,079.62
  6. Step 6: Final answer
    x = 2,423,153.42

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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.