Home / 5,273,286.40-7,919,260.80-4,078,115.20

Finding the Fourth Proportional to 5,273,286.40, 7,919,260.80 and 4,078,115.20

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Solution

The fourth proportional to 5,273,286.40, 7,919,260.80 and 4,078,115.20 is: 6,124,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273,286.40 : 7,919,260.80 = 4,078,115.20 : x
  2. Step 2: Convert to fraction form
    5,273,286.40/7,919,260.80 = 4,078,115.20/x
  3. Step 3: Cross multiply
    5,273,286.40x = 7,919,260.80 × 4,078,115.20
  4. Step 4: Simplify right side
    5,273,286.40x = 32,295,657,841,244.16
  5. Step 5: Solve for x
    x = 32,295,657,841,244.16/5,273,286.40
  6. Step 6: Final answer
    x = 6,124,389.12

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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.