Home / 2,489,079.77-3,734,394.70-891,656.70

Finding the Fourth Proportional to 2,489,079.77, 3,734,394.70 and 891,656.70

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Solution

The fourth proportional to 2,489,079.77, 3,734,394.70 and 891,656.70 is: 1,337,762.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489,079.77 : 3,734,394.70 = 891,656.70 : x
  2. Step 2: Convert to fraction form
    2,489,079.77/3,734,394.70 = 891,656.70/x
  3. Step 3: Cross multiply
    2,489,079.77x = 3,734,394.70 × 891,656.70
  4. Step 4: Simplify right side
    2,489,079.77x = 3,329,798,052,470.35
  5. Step 5: Solve for x
    x = 3,329,798,052,470.35/2,489,079.77
  6. Step 6: Final answer
    x = 1,337,762.69

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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.