Home / 3,120,588.40-4,680,900.42-961,585.24

Finding the Fourth Proportional to 3,120,588.40, 4,680,900.42 and 961,585.24

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Solution

The fourth proportional to 3,120,588.40, 4,680,900.42 and 961,585.24 is: 1,442,383.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,588.40 : 4,680,900.42 = 961,585.24 : x
  2. Step 2: Convert to fraction form
    3,120,588.40/4,680,900.42 = 961,585.24/x
  3. Step 3: Cross multiply
    3,120,588.40x = 4,680,900.42 × 961,585.24
  4. Step 4: Simplify right side
    3,120,588.40x = 4,501,084,753,781.80
  5. Step 5: Solve for x
    x = 4,501,084,753,781.80/3,120,588.40
  6. Step 6: Final answer
    x = 1,442,383.35

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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.