Home / 3,134,909.45-4,702,322.13-860,431.16

Finding the Fourth Proportional to 3,134,909.45, 4,702,322.13 and 860,431.16

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Solution

The fourth proportional to 3,134,909.45, 4,702,322.13 and 860,431.16 is: 1,290,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134,909.45 : 4,702,322.13 = 860,431.16 : x
  2. Step 2: Convert to fraction form
    3,134,909.45/4,702,322.13 = 860,431.16/x
  3. Step 3: Cross multiply
    3,134,909.45x = 4,702,322.13 × 860,431.16
  4. Step 4: Simplify right side
    3,134,909.45x = 4,046,024,474,348.09
  5. Step 5: Solve for x
    x = 4,046,024,474,348.09/3,134,909.45
  6. Step 6: Final answer
    x = 1,290,635.20

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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.