Home / 5,479,954.30-8,219,931.45-2,488,138.30

Finding the Fourth Proportional to 5,479,954.30, 8,219,931.45 and 2,488,138.30

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Solution

The fourth proportional to 5,479,954.30, 8,219,931.45 and 2,488,138.30 is: 3,732,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,954.30 : 8,219,931.45 = 2,488,138.30 : x
  2. Step 2: Convert to fraction form
    5,479,954.30/8,219,931.45 = 2,488,138.30/x
  3. Step 3: Cross multiply
    5,479,954.30x = 8,219,931.45 × 2,488,138.30
  4. Step 4: Simplify right side
    5,479,954.30x = 20,452,326,264,119.54
  5. Step 5: Solve for x
    x = 20,452,326,264,119.54/5,479,954.30
  6. Step 6: Final answer
    x = 3,732,207.45

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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.