Home / 5,274,168.64-7,912,446-1,680,140.32

Finding the Fourth Proportional to 5,274,168.64, 7,912,446 and 1,680,140.32

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Solution

The fourth proportional to 5,274,168.64, 7,912,446 and 1,680,140.32 is: 2,520,590.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274,168.64 : 7,912,446 = 1,680,140.32 : x
  2. Step 2: Convert to fraction form
    5,274,168.64/7,912,446 = 1,680,140.32/x
  3. Step 3: Cross multiply
    5,274,168.64x = 7,912,446 × 1,680,140.32
  4. Step 4: Simplify right side
    5,274,168.64x = 13,294,019,554,422.72
  5. Step 5: Solve for x
    x = 13,294,019,554,422.72/5,274,168.64
  6. Step 6: Final answer
    x = 2,520,590.54

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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.