Home / 1,517,629.80-2,280,381.30-1,344,419.40

Finding the Fourth Proportional to 1,517,629.80, 2,280,381.30 and 1,344,419.40

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Solution

The fourth proportional to 1,517,629.80, 2,280,381.30 and 1,344,419.40 is: 2,020,116.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,629.80 : 2,280,381.30 = 1,344,419.40 : x
  2. Step 2: Convert to fraction form
    1,517,629.80/2,280,381.30 = 1,344,419.40/x
  3. Step 3: Cross multiply
    1,517,629.80x = 2,280,381.30 × 1,344,419.40
  4. Step 4: Simplify right side
    1,517,629.80x = 3,065,788,859,117.22
  5. Step 5: Solve for x
    x = 3,065,788,859,117.22/1,517,629.80
  6. Step 6: Final answer
    x = 2,020,116.41

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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.