Home / 1,939,741.38-2,676,926.07-1,080,301.50

Finding the Fourth Proportional to 1,939,741.38, 2,676,926.07 and 1,080,301.50

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Solution

The fourth proportional to 1,939,741.38, 2,676,926.07 and 1,080,301.50 is: 1,490,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,741.38 : 2,676,926.07 = 1,080,301.50 : x
  2. Step 2: Convert to fraction form
    1,939,741.38/2,676,926.07 = 1,080,301.50/x
  3. Step 3: Cross multiply
    1,939,741.38x = 2,676,926.07 × 1,080,301.50
  4. Step 4: Simplify right side
    1,939,741.38x = 2,891,887,248,810.11
  5. Step 5: Solve for x
    x = 2,891,887,248,810.11/1,939,741.38
  6. Step 6: Final answer
    x = 1,490,862.28

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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.