Home / 2,986,429.20-4,476,144.60-2,237,600.40

Finding the Fourth Proportional to 2,986,429.20, 4,476,144.60 and 2,237,600.40

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Solution

The fourth proportional to 2,986,429.20, 4,476,144.60 and 2,237,600.40 is: 3,353,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,429.20 : 4,476,144.60 = 2,237,600.40 : x
  2. Step 2: Convert to fraction form
    2,986,429.20/4,476,144.60 = 2,237,600.40/x
  3. Step 3: Cross multiply
    2,986,429.20x = 4,476,144.60 × 2,237,600.40
  4. Step 4: Simplify right side
    2,986,429.20x = 10,015,822,947,417.84
  5. Step 5: Solve for x
    x = 10,015,822,947,417.84/2,986,429.20
  6. Step 6: Final answer
    x = 3,353,778.80

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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.