Home / 6,172,755.64-8,518,310.34-3,419,434.84

Finding the Fourth Proportional to 6,172,755.64, 8,518,310.34 and 3,419,434.84

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Solution

The fourth proportional to 6,172,755.64, 8,518,310.34 and 3,419,434.84 is: 4,718,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,755.64 : 8,518,310.34 = 3,419,434.84 : x
  2. Step 2: Convert to fraction form
    6,172,755.64/8,518,310.34 = 3,419,434.84/x
  3. Step 3: Cross multiply
    6,172,755.64x = 8,518,310.34 × 3,419,434.84
  4. Step 4: Simplify right side
    6,172,755.64x = 29,127,807,154,528.24
  5. Step 5: Solve for x
    x = 29,127,807,154,528.24/6,172,755.64
  6. Step 6: Final answer
    x = 4,718,768.87

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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.