Home / 5,274,811.20-7,891,221.60-4,572,638.40

Finding the Fourth Proportional to 5,274,811.20, 7,891,221.60 and 4,572,638.40

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Solution

The fourth proportional to 5,274,811.20, 7,891,221.60 and 4,572,638.40 is: 6,840,757.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274,811.20 : 7,891,221.60 = 4,572,638.40 : x
  2. Step 2: Convert to fraction form
    5,274,811.20/7,891,221.60 = 4,572,638.40/x
  3. Step 3: Cross multiply
    5,274,811.20x = 7,891,221.60 × 4,572,638.40
  4. Step 4: Simplify right side
    5,274,811.20x = 36,083,702,911,069.44
  5. Step 5: Solve for x
    x = 36,083,702,911,069.44/5,274,811.20
  6. Step 6: Final answer
    x = 6,840,757.24

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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.