Home / 3,510,516.80-5,265,386.40-986,427.20

Finding the Fourth Proportional to 3,510,516.80, 5,265,386.40 and 986,427.20

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Solution

The fourth proportional to 3,510,516.80, 5,265,386.40 and 986,427.20 is: 1,479,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,510,516.80 : 5,265,386.40 = 986,427.20 : x
  2. Step 2: Convert to fraction form
    3,510,516.80/5,265,386.40 = 986,427.20/x
  3. Step 3: Cross multiply
    3,510,516.80x = 5,265,386.40 × 986,427.20
  4. Step 4: Simplify right side
    3,510,516.80x = 5,193,920,363,470.08
  5. Step 5: Solve for x
    x = 5,193,920,363,470.08/3,510,516.80
  6. Step 6: Final answer
    x = 1,479,531.55

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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.