Home / 5,245,126.11-7,864,146.23-2,680,037.55

Finding the Fourth Proportional to 5,245,126.11, 7,864,146.23 and 2,680,037.55

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Solution

The fourth proportional to 5,245,126.11, 7,864,146.23 and 2,680,037.55 is: 4,018,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,245,126.11 : 7,864,146.23 = 2,680,037.55 : x
  2. Step 2: Convert to fraction form
    5,245,126.11/7,864,146.23 = 2,680,037.55/x
  3. Step 3: Cross multiply
    5,245,126.11x = 7,864,146.23 × 2,680,037.55
  4. Step 4: Simplify right side
    5,245,126.11x = 21,076,207,181,690.75
  5. Step 5: Solve for x
    x = 21,076,207,181,690.75/5,245,126.11
  6. Step 6: Final answer
    x = 4,018,246.03

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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.