Home / 3,398,716.74-4,689,680.31-1,948,145.25

Finding the Fourth Proportional to 3,398,716.74, 4,689,680.31 and 1,948,145.25

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Solution

The fourth proportional to 3,398,716.74, 4,689,680.31 and 1,948,145.25 is: 2,688,125.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398,716.74 : 4,689,680.31 = 1,948,145.25 : x
  2. Step 2: Convert to fraction form
    3,398,716.74/4,689,680.31 = 1,948,145.25/x
  3. Step 3: Cross multiply
    3,398,716.74x = 4,689,680.31 × 1,948,145.25
  4. Step 4: Simplify right side
    3,398,716.74x = 9,136,178,419,945.03
  5. Step 5: Solve for x
    x = 9,136,178,419,945.03/3,398,716.74
  6. Step 6: Final answer
    x = 2,688,125.88

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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.