Home / 2,154,145.60-3,231,218.40-637,883.20

Finding the Fourth Proportional to 2,154,145.60, 3,231,218.40 and 637,883.20

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Solution

The fourth proportional to 2,154,145.60, 3,231,218.40 and 637,883.20 is: 956,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,145.60 : 3,231,218.40 = 637,883.20 : x
  2. Step 2: Convert to fraction form
    2,154,145.60/3,231,218.40 = 637,883.20/x
  3. Step 3: Cross multiply
    2,154,145.60x = 3,231,218.40 × 637,883.20
  4. Step 4: Simplify right side
    2,154,145.60x = 2,061,139,932,890.88
  5. Step 5: Solve for x
    x = 2,061,139,932,890.88/2,154,145.60
  6. Step 6: Final answer
    x = 956,824.80

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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.