Home / 5,513,940.10-8,272,031.15-1,919,987.30

Finding the Fourth Proportional to 5,513,940.10, 8,272,031.15 and 1,919,987.30

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Solution

The fourth proportional to 5,513,940.10, 8,272,031.15 and 1,919,987.30 is: 2,880,371.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513,940.10 : 8,272,031.15 = 1,919,987.30 : x
  2. Step 2: Convert to fraction form
    5,513,940.10/8,272,031.15 = 1,919,987.30/x
  3. Step 3: Cross multiply
    5,513,940.10x = 8,272,031.15 × 1,919,987.30
  4. Step 4: Simplify right side
    5,513,940.10x = 15,882,194,753,204.40
  5. Step 5: Solve for x
    x = 15,882,194,753,204.40/5,513,940.10
  6. Step 6: Final answer
    x = 2,880,371.29

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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.