Home / 2,158,752.80-3,238,129.20-662,650.40

Finding the Fourth Proportional to 2,158,752.80, 3,238,129.20 and 662,650.40

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Solution

The fourth proportional to 2,158,752.80, 3,238,129.20 and 662,650.40 is: 993,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,752.80 : 3,238,129.20 = 662,650.40 : x
  2. Step 2: Convert to fraction form
    2,158,752.80/3,238,129.20 = 662,650.40/x
  3. Step 3: Cross multiply
    2,158,752.80x = 3,238,129.20 × 662,650.40
  4. Step 4: Simplify right side
    2,158,752.80x = 2,145,747,609,631.68
  5. Step 5: Solve for x
    x = 2,145,747,609,631.68/2,158,752.80
  6. Step 6: Final answer
    x = 993,975.60

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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.