Home / 6,385,805.20-9,585,706.20-3,992,352.40

Finding the Fourth Proportional to 6,385,805.20, 9,585,706.20 and 3,992,352.40

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Solution

The fourth proportional to 6,385,805.20, 9,585,706.20 and 3,992,352.40 is: 5,992,903.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,805.20 : 9,585,706.20 = 3,992,352.40 : x
  2. Step 2: Convert to fraction form
    6,385,805.20/9,585,706.20 = 3,992,352.40/x
  3. Step 3: Cross multiply
    6,385,805.20x = 9,585,706.20 × 3,992,352.40
  4. Step 4: Simplify right side
    6,385,805.20x = 38,269,517,153,264.88
  5. Step 5: Solve for x
    x = 38,269,517,153,264.88/6,385,805.20
  6. Step 6: Final answer
    x = 5,992,903.94

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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.