Home / 1,972,294.28-2,721,296.26-1,360,251.40

Finding the Fourth Proportional to 1,972,294.28, 2,721,296.26 and 1,360,251.40

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Solution

The fourth proportional to 1,972,294.28, 2,721,296.26 and 1,360,251.40 is: 1,876,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,972,294.28 : 2,721,296.26 = 1,360,251.40 : x
  2. Step 2: Convert to fraction form
    1,972,294.28/2,721,296.26 = 1,360,251.40/x
  3. Step 3: Cross multiply
    1,972,294.28x = 2,721,296.26 × 1,360,251.40
  4. Step 4: Simplify right side
    1,972,294.28x = 3,701,647,047,479.76
  5. Step 5: Solve for x
    x = 3,701,647,047,479.76/1,972,294.28
  6. Step 6: Final answer
    x = 1,876,822.89

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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.