Home / 6,385,475.89-9,581,203.20-2,790,775.75

Finding the Fourth Proportional to 6,385,475.89, 9,581,203.20 and 2,790,775.75

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Solution

The fourth proportional to 6,385,475.89, 9,581,203.20 and 2,790,775.75 is: 4,187,470.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,475.89 : 9,581,203.20 = 2,790,775.75 : x
  2. Step 2: Convert to fraction form
    6,385,475.89/9,581,203.20 = 2,790,775.75/x
  3. Step 3: Cross multiply
    6,385,475.89x = 9,581,203.20 × 2,790,775.75
  4. Step 4: Simplify right side
    6,385,475.89x = 26,738,989,546,382.40
  5. Step 5: Solve for x
    x = 26,738,989,546,382.40/6,385,475.89
  6. Step 6: Final answer
    x = 4,187,470.13

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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.