Home / 4,155,272.20-6,231,353.10-1,458,555.40

Finding the Fourth Proportional to 4,155,272.20, 6,231,353.10 and 1,458,555.40

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Solution

The fourth proportional to 4,155,272.20, 6,231,353.10 and 1,458,555.40 is: 2,187,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155,272.20 : 6,231,353.10 = 1,458,555.40 : x
  2. Step 2: Convert to fraction form
    4,155,272.20/6,231,353.10 = 1,458,555.40/x
  3. Step 3: Cross multiply
    4,155,272.20x = 6,231,353.10 × 1,458,555.40
  4. Step 4: Simplify right side
    4,155,272.20x = 9,088,773,713,311.74
  5. Step 5: Solve for x
    x = 9,088,773,713,311.74/4,155,272.20
  6. Step 6: Final answer
    x = 2,187,287.20

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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.