Home / 2,712,885.10-4,069,975.65-819,645.10

Finding the Fourth Proportional to 2,712,885.10, 4,069,975.65 and 819,645.10

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Solution

The fourth proportional to 2,712,885.10, 4,069,975.65 and 819,645.10 is: 1,229,663.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,885.10 : 4,069,975.65 = 819,645.10 : x
  2. Step 2: Convert to fraction form
    2,712,885.10/4,069,975.65 = 819,645.10/x
  3. Step 3: Cross multiply
    2,712,885.10x = 4,069,975.65 × 819,645.10
  4. Step 4: Simplify right side
    2,712,885.10x = 3,335,935,598,641.82
  5. Step 5: Solve for x
    x = 3,335,935,598,641.82/2,712,885.10
  6. Step 6: Final answer
    x = 1,229,663.43

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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.