Home / 6,590,360.40-9,891,372.60-3,891,310.80

Finding the Fourth Proportional to 6,590,360.40, 9,891,372.60 and 3,891,310.80

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Solution

The fourth proportional to 6,590,360.40, 9,891,372.60 and 3,891,310.80 is: 5,840,409.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,590,360.40 : 9,891,372.60 = 3,891,310.80 : x
  2. Step 2: Convert to fraction form
    6,590,360.40/9,891,372.60 = 3,891,310.80/x
  3. Step 3: Cross multiply
    6,590,360.40x = 9,891,372.60 × 3,891,310.80
  4. Step 4: Simplify right side
    6,590,360.40x = 38,490,405,025,204.08
  5. Step 5: Solve for x
    x = 38,490,405,025,204.08/6,590,360.40
  6. Step 6: Final answer
    x = 5,840,409.73

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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.