Home / 3,616,400.90-5,424,601.35-2,818,280.90

Finding the Fourth Proportional to 3,616,400.90, 5,424,601.35 and 2,818,280.90

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Solution

The fourth proportional to 3,616,400.90, 5,424,601.35 and 2,818,280.90 is: 4,227,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616,400.90 : 5,424,601.35 = 2,818,280.90 : x
  2. Step 2: Convert to fraction form
    3,616,400.90/5,424,601.35 = 2,818,280.90/x
  3. Step 3: Cross multiply
    3,616,400.90x = 5,424,601.35 × 2,818,280.90
  4. Step 4: Simplify right side
    3,616,400.90x = 15,288,050,374,819.21
  5. Step 5: Solve for x
    x = 15,288,050,374,819.21/3,616,400.90
  6. Step 6: Final answer
    x = 4,227,421.35

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Similar ratio
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1.5x scale

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.