Home / 5,431,756.20-8,147,634.30-2,445,772.20

Finding the Fourth Proportional to 5,431,756.20, 8,147,634.30 and 2,445,772.20

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Solution

The fourth proportional to 5,431,756.20, 8,147,634.30 and 2,445,772.20 is: 3,668,658.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,756.20 : 8,147,634.30 = 2,445,772.20 : x
  2. Step 2: Convert to fraction form
    5,431,756.20/8,147,634.30 = 2,445,772.20/x
  3. Step 3: Cross multiply
    5,431,756.20x = 8,147,634.30 × 2,445,772.20
  4. Step 4: Simplify right side
    5,431,756.20x = 19,927,257,466,706.46
  5. Step 5: Solve for x
    x = 19,927,257,466,706.46/5,431,756.20
  6. Step 6: Final answer
    x = 3,668,658.30

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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.