Home / 3,289,990.40-4,934,985.60-2,542,572.80

Finding the Fourth Proportional to 3,289,990.40, 4,934,985.60 and 2,542,572.80

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Solution

The fourth proportional to 3,289,990.40, 4,934,985.60 and 2,542,572.80 is: 3,813,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,990.40 : 4,934,985.60 = 2,542,572.80 : x
  2. Step 2: Convert to fraction form
    3,289,990.40/4,934,985.60 = 2,542,572.80/x
  3. Step 3: Cross multiply
    3,289,990.40x = 4,934,985.60 × 2,542,572.80
  4. Step 4: Simplify right side
    3,289,990.40x = 12,547,560,154,951.68
  5. Step 5: Solve for x
    x = 12,547,560,154,951.68/3,289,990.40
  6. Step 6: Final answer
    x = 3,813,859.20

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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.