Home / 3,644,138.07-5,465,646.36-1,215,334.04

Finding the Fourth Proportional to 3,644,138.07, 5,465,646.36 and 1,215,334.04

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Solution

The fourth proportional to 3,644,138.07, 5,465,646.36 and 1,215,334.04 is: 1,822,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,644,138.07 : 5,465,646.36 = 1,215,334.04 : x
  2. Step 2: Convert to fraction form
    3,644,138.07/5,465,646.36 = 1,215,334.04/x
  3. Step 3: Cross multiply
    3,644,138.07x = 5,465,646.36 × 1,215,334.04
  4. Step 4: Simplify right side
    3,644,138.07x = 6,642,586,044,581.86
  5. Step 5: Solve for x
    x = 6,642,586,044,581.86/3,644,138.07
  6. Step 6: Final answer
    x = 1,822,814.04

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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.