Home / 3,934,678.59-5,429,868.74-2,281,148.03

Finding the Fourth Proportional to 3,934,678.59, 5,429,868.74 and 2,281,148.03

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Solution

The fourth proportional to 3,934,678.59, 5,429,868.74 and 2,281,148.03 is: 3,147,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934,678.59 : 5,429,868.74 = 2,281,148.03 : x
  2. Step 2: Convert to fraction form
    3,934,678.59/5,429,868.74 = 2,281,148.03/x
  3. Step 3: Cross multiply
    3,934,678.59x = 5,429,868.74 × 2,281,148.03
  4. Step 4: Simplify right side
    3,934,678.59x = 12,386,334,340,854.50
  5. Step 5: Solve for x
    x = 12,386,334,340,854.50/3,934,678.59
  6. Step 6: Final answer
    x = 3,147,991.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.