Home / 2,154,003.60-3,231,005.40-735,661.20

Finding the Fourth Proportional to 2,154,003.60, 3,231,005.40 and 735,661.20

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Solution

The fourth proportional to 2,154,003.60, 3,231,005.40 and 735,661.20 is: 1,103,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,003.60 : 3,231,005.40 = 735,661.20 : x
  2. Step 2: Convert to fraction form
    2,154,003.60/3,231,005.40 = 735,661.20/x
  3. Step 3: Cross multiply
    2,154,003.60x = 3,231,005.40 × 735,661.20
  4. Step 4: Simplify right side
    2,154,003.60x = 2,376,925,309,770.48
  5. Step 5: Solve for x
    x = 2,376,925,309,770.48/2,154,003.60
  6. Step 6: Final answer
    x = 1,103,491.80

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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.