Home / 4,013,619.20-5,538,798.07-2,178,077.50

Finding the Fourth Proportional to 4,013,619.20, 5,538,798.07 and 2,178,077.50

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Solution

The fourth proportional to 4,013,619.20, 5,538,798.07 and 2,178,077.50 is: 3,005,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013,619.20 : 5,538,798.07 = 2,178,077.50 : x
  2. Step 2: Convert to fraction form
    4,013,619.20/5,538,798.07 = 2,178,077.50/x
  3. Step 3: Cross multiply
    4,013,619.20x = 5,538,798.07 × 2,178,077.50
  4. Step 4: Simplify right side
    4,013,619.20x = 12,063,931,435,884.68
  5. Step 5: Solve for x
    x = 12,063,931,435,884.68/4,013,619.20
  6. Step 6: Final answer
    x = 3,005,748.88

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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.