Home / 3,511,348.95-5,267,023.42-987,004.20

Finding the Fourth Proportional to 3,511,348.95, 5,267,023.42 and 987,004.20

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Solution

The fourth proportional to 3,511,348.95, 5,267,023.42 and 987,004.20 is: 1,480,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511,348.95 : 5,267,023.42 = 987,004.20 : x
  2. Step 2: Convert to fraction form
    3,511,348.95/5,267,023.42 = 987,004.20/x
  3. Step 3: Cross multiply
    3,511,348.95x = 5,267,023.42 × 987,004.20
  4. Step 4: Simplify right side
    3,511,348.95x = 5,198,574,216,670.15
  5. Step 5: Solve for x
    x = 5,198,574,216,670.15/3,511,348.95
  6. Step 6: Final answer
    x = 1,480,506.29

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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.