Home / 3,872,290.72-5,807,470.38-1,139,294.35

Finding the Fourth Proportional to 3,872,290.72, 5,807,470.38 and 1,139,294.35

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Solution

The fourth proportional to 3,872,290.72, 5,807,470.38 and 1,139,294.35 is: 1,708,657.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,290.72 : 5,807,470.38 = 1,139,294.35 : x
  2. Step 2: Convert to fraction form
    3,872,290.72/5,807,470.38 = 1,139,294.35/x
  3. Step 3: Cross multiply
    3,872,290.72x = 5,807,470.38 × 1,139,294.35
  4. Step 4: Simplify right side
    3,872,290.72x = 6,616,418,191,726.35
  5. Step 5: Solve for x
    x = 6,616,418,191,726.35/3,872,290.72
  6. Step 6: Final answer
    x = 1,708,657.40

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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.