Home / 5,306,697-7,960,131.90-1,520,165.16

Finding the Fourth Proportional to 5,306,697, 7,960,131.90 and 1,520,165.16

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Solution

The fourth proportional to 5,306,697, 7,960,131.90 and 1,520,165.16 is: 2,280,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,306,697 : 7,960,131.90 = 1,520,165.16 : x
  2. Step 2: Convert to fraction form
    5,306,697/7,960,131.90 = 1,520,165.16/x
  3. Step 3: Cross multiply
    5,306,697x = 7,960,131.90 × 1,520,165.16
  4. Step 4: Simplify right side
    5,306,697x = 12,100,715,183,384.60
  5. Step 5: Solve for x
    x = 12,100,715,183,384.60/5,306,697
  6. Step 6: Final answer
    x = 2,280,272.49

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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.