Home / 5,338,488.29-8,007,730.46-2,143,613.48

Finding the Fourth Proportional to 5,338,488.29, 8,007,730.46 and 2,143,613.48

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Solution

The fourth proportional to 5,338,488.29, 8,007,730.46 and 2,143,613.48 is: 3,215,419.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,338,488.29 : 8,007,730.46 = 2,143,613.48 : x
  2. Step 2: Convert to fraction form
    5,338,488.29/8,007,730.46 = 2,143,613.48/x
  3. Step 3: Cross multiply
    5,338,488.29x = 8,007,730.46 × 2,143,613.48
  4. Step 4: Simplify right side
    5,338,488.29x = 17,165,478,947,544.53
  5. Step 5: Solve for x
    x = 17,165,478,947,544.53/5,338,488.29
  6. Step 6: Final answer
    x = 3,215,419.42

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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.