Home / 3,613,798.16-5,420,806.59-918,123.92

Finding the Fourth Proportional to 3,613,798.16, 5,420,806.59 and 918,123.92

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Solution

The fourth proportional to 3,613,798.16, 5,420,806.59 and 918,123.92 is: 1,377,213.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,613,798.16 : 5,420,806.59 = 918,123.92 : x
  2. Step 2: Convert to fraction form
    3,613,798.16/5,420,806.59 = 918,123.92/x
  3. Step 3: Cross multiply
    3,613,798.16x = 5,420,806.59 × 918,123.92
  4. Step 4: Simplify right side
    3,613,798.16x = 4,976,972,195,972.63
  5. Step 5: Solve for x
    x = 4,976,972,195,972.63/3,613,798.16
  6. Step 6: Final answer
    x = 1,377,213.66

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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.