Home / 4,815,578.20-6,641,193.54-3,185,650.84

Finding the Fourth Proportional to 4,815,578.20, 6,641,193.54 and 3,185,650.84

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Solution

The fourth proportional to 4,815,578.20, 6,641,193.54 and 3,185,650.84 is: 4,393,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815,578.20 : 6,641,193.54 = 3,185,650.84 : x
  2. Step 2: Convert to fraction form
    4,815,578.20/6,641,193.54 = 3,185,650.84/x
  3. Step 3: Cross multiply
    4,815,578.20x = 6,641,193.54 × 3,185,650.84
  4. Step 4: Simplify right side
    4,815,578.20x = 21,156,523,779,303.57
  5. Step 5: Solve for x
    x = 21,156,523,779,303.57/4,815,578.20
  6. Step 6: Final answer
    x = 4,393,350.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.