Home / 2,750,420.12-4,126,475.10-1,312,937.96

Finding the Fourth Proportional to 2,750,420.12, 4,126,475.10 and 1,312,937.96

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Solution

The fourth proportional to 2,750,420.12, 4,126,475.10 and 1,312,937.96 is: 1,969,810.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750,420.12 : 4,126,475.10 = 1,312,937.96 : x
  2. Step 2: Convert to fraction form
    2,750,420.12/4,126,475.10 = 1,312,937.96/x
  3. Step 3: Cross multiply
    2,750,420.12x = 4,126,475.10 × 1,312,937.96
  4. Step 4: Simplify right side
    2,750,420.12x = 5,417,805,799,784.80
  5. Step 5: Solve for x
    x = 5,417,805,799,784.80/2,750,420.12
  6. Step 6: Final answer
    x = 1,969,810.27

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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.