Home / 1,939,557.45-2,676,615.53-1,080,139.35

Finding the Fourth Proportional to 1,939,557.45, 2,676,615.53 and 1,080,139.35

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Solution

The fourth proportional to 1,939,557.45, 2,676,615.53 and 1,080,139.35 is: 1,490,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,557.45 : 2,676,615.53 = 1,080,139.35 : x
  2. Step 2: Convert to fraction form
    1,939,557.45/2,676,615.53 = 1,080,139.35/x
  3. Step 3: Cross multiply
    1,939,557.45x = 2,676,615.53 × 1,080,139.35
  4. Step 4: Simplify right side
    1,939,557.45x = 2,891,117,753,373.41
  5. Step 5: Solve for x
    x = 2,891,117,753,373.41/1,939,557.45
  6. Step 6: Final answer
    x = 1,490,606.92

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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.