Home / 1,969,947.40-2,954,921.10-707,816.20

Finding the Fourth Proportional to 1,969,947.40, 2,954,921.10 and 707,816.20

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Solution

The fourth proportional to 1,969,947.40, 2,954,921.10 and 707,816.20 is: 1,061,724.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,947.40 : 2,954,921.10 = 707,816.20 : x
  2. Step 2: Convert to fraction form
    1,969,947.40/2,954,921.10 = 707,816.20/x
  3. Step 3: Cross multiply
    1,969,947.40x = 2,954,921.10 × 707,816.20
  4. Step 4: Simplify right side
    1,969,947.40x = 2,091,541,024,301.82
  5. Step 5: Solve for x
    x = 2,091,541,024,301.82/1,969,947.40
  6. Step 6: Final answer
    x = 1,061,724.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.