Home / 5,442,358.68-8,164,719-1,655,743.12

Finding the Fourth Proportional to 5,442,358.68, 8,164,719 and 1,655,743.12

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Solution

The fourth proportional to 5,442,358.68, 8,164,719 and 1,655,743.12 is: 2,483,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,442,358.68 : 8,164,719 = 1,655,743.12 : x
  2. Step 2: Convert to fraction form
    5,442,358.68/8,164,719 = 1,655,743.12/x
  3. Step 3: Cross multiply
    5,442,358.68x = 8,164,719 × 1,655,743.12
  4. Step 4: Simplify right side
    5,442,358.68x = 13,518,677,310,983.28
  5. Step 5: Solve for x
    x = 13,518,677,310,983.28/5,442,358.68
  6. Step 6: Final answer
    x = 2,483,973.97

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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.