Home / 1,939,720.28-2,676,897.04-1,080,280.54

Finding the Fourth Proportional to 1,939,720.28, 2,676,897.04 and 1,080,280.54

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Solution

The fourth proportional to 1,939,720.28, 2,676,897.04 and 1,080,280.54 is: 1,490,833.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,720.28 : 2,676,897.04 = 1,080,280.54 : x
  2. Step 2: Convert to fraction form
    1,939,720.28/2,676,897.04 = 1,080,280.54/x
  3. Step 3: Cross multiply
    1,939,720.28x = 2,676,897.04 × 1,080,280.54
  4. Step 4: Simplify right side
    1,939,720.28x = 2,891,799,766,511.12
  5. Step 5: Solve for x
    x = 2,891,799,766,511.12/1,939,720.28
  6. Step 6: Final answer
    x = 1,490,833.39

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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.