Home / 3,477,382.40-5,215,483.08-918,625.21

Finding the Fourth Proportional to 3,477,382.40, 5,215,483.08 and 918,625.21

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Solution

The fourth proportional to 3,477,382.40, 5,215,483.08 and 918,625.21 is: 1,377,781.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,382.40 : 5,215,483.08 = 918,625.21 : x
  2. Step 2: Convert to fraction form
    3,477,382.40/5,215,483.08 = 918,625.21/x
  3. Step 3: Cross multiply
    3,477,382.40x = 5,215,483.08 × 918,625.21
  4. Step 4: Simplify right side
    3,477,382.40x = 4,791,074,226,577.74
  5. Step 5: Solve for x
    x = 4,791,074,226,577.74/3,477,382.40
  6. Step 6: Final answer
    x = 1,377,781.81

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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.