Home / 2,158,915.20-3,238,372.80-662,812.80

Finding the Fourth Proportional to 2,158,915.20, 3,238,372.80 and 662,812.80

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Solution

The fourth proportional to 2,158,915.20, 3,238,372.80 and 662,812.80 is: 994,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,158,915.20 : 3,238,372.80 = 662,812.80 : x
  2. Step 2: Convert to fraction form
    2,158,915.20/3,238,372.80 = 662,812.80/x
  3. Step 3: Cross multiply
    2,158,915.20x = 3,238,372.80 × 662,812.80
  4. Step 4: Simplify right side
    2,158,915.20x = 2,146,434,943,011.84
  5. Step 5: Solve for x
    x = 2,146,434,943,011.84/2,158,915.20
  6. Step 6: Final answer
    x = 994,219.20

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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.