Home / 1,972,293.28-2,721,294.88-1,360,250.40

Finding the Fourth Proportional to 1,972,293.28, 2,721,294.88 and 1,360,250.40

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Solution

The fourth proportional to 1,972,293.28, 2,721,294.88 and 1,360,250.40 is: 1,876,821.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,293.28 : 2,721,294.88 = 1,360,250.40 : x
  2. Step 2: Convert to fraction form
    1,972,293.28/2,721,294.88 = 1,360,250.40/x
  3. Step 3: Cross multiply
    1,972,293.28x = 2,721,294.88 × 1,360,250.40
  4. Step 4: Simplify right side
    1,972,293.28x = 3,701,642,449,037.95
  5. Step 5: Solve for x
    x = 3,701,642,449,037.95/1,972,293.28
  6. Step 6: Final answer
    x = 1,876,821.51

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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.