Home / 2,113,779-2,917,005.24-1,146,906.90

Finding the Fourth Proportional to 2,113,779, 2,917,005.24 and 1,146,906.90

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Solution

The fourth proportional to 2,113,779, 2,917,005.24 and 1,146,906.90 is: 1,582,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,779 : 2,917,005.24 = 1,146,906.90 : x
  2. Step 2: Convert to fraction form
    2,113,779/2,917,005.24 = 1,146,906.90/x
  3. Step 3: Cross multiply
    2,113,779x = 2,917,005.24 × 1,146,906.90
  4. Step 4: Simplify right side
    2,113,779x = 3,345,533,437,092.16
  5. Step 5: Solve for x
    x = 3,345,533,437,092.16/2,113,779
  6. Step 6: Final answer
    x = 1,582,726.22

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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.