Home / 2,154,153.60-3,231,230.40-637,891.20

Finding the Fourth Proportional to 2,154,153.60, 3,231,230.40 and 637,891.20

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Solution

The fourth proportional to 2,154,153.60, 3,231,230.40 and 637,891.20 is: 956,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,153.60 : 3,231,230.40 = 637,891.20 : x
  2. Step 2: Convert to fraction form
    2,154,153.60/3,231,230.40 = 637,891.20/x
  3. Step 3: Cross multiply
    2,154,153.60x = 3,231,230.40 × 637,891.20
  4. Step 4: Simplify right side
    2,154,153.60x = 2,061,173,437,332.48
  5. Step 5: Solve for x
    x = 2,061,173,437,332.48/2,154,153.60
  6. Step 6: Final answer
    x = 956,836.80

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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.