Home / 2,519,430.15-3,779,796.77-722,445.15

Finding the Fourth Proportional to 2,519,430.15, 3,779,796.77 and 722,445.15

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Solution

The fourth proportional to 2,519,430.15, 3,779,796.77 and 722,445.15 is: 1,083,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519,430.15 : 3,779,796.77 = 722,445.15 : x
  2. Step 2: Convert to fraction form
    2,519,430.15/3,779,796.77 = 722,445.15/x
  3. Step 3: Cross multiply
    2,519,430.15x = 3,779,796.77 × 722,445.15
  4. Step 4: Simplify right side
    2,519,430.15x = 2,730,695,840,859.94
  5. Step 5: Solve for x
    x = 2,730,695,840,859.94/2,519,430.15
  6. Step 6: Final answer
    x = 1,083,854.55

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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.