Home / 3,977,628.76-5,488,982.52-2,431,479.90

Finding the Fourth Proportional to 3,977,628.76, 5,488,982.52 and 2,431,479.90

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Solution

The fourth proportional to 3,977,628.76, 5,488,982.52 and 2,431,479.90 is: 3,355,353.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,628.76 : 5,488,982.52 = 2,431,479.90 : x
  2. Step 2: Convert to fraction form
    3,977,628.76/5,488,982.52 = 2,431,479.90/x
  3. Step 3: Cross multiply
    3,977,628.76x = 5,488,982.52 × 2,431,479.90
  4. Step 4: Simplify right side
    3,977,628.76x = 13,346,350,668,831.35
  5. Step 5: Solve for x
    x = 13,346,350,668,831.35/3,977,628.76
  6. Step 6: Final answer
    x = 3,355,353.52

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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.