Home / 2,318,187.20-3,479,008.80-1,195,678.40

Finding the Fourth Proportional to 2,318,187.20, 3,479,008.80 and 1,195,678.40

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Solution

The fourth proportional to 2,318,187.20, 3,479,008.80 and 1,195,678.40 is: 1,794,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,187.20 : 3,479,008.80 = 1,195,678.40 : x
  2. Step 2: Convert to fraction form
    2,318,187.20/3,479,008.80 = 1,195,678.40/x
  3. Step 3: Cross multiply
    2,318,187.20x = 3,479,008.80 × 1,195,678.40
  4. Step 4: Simplify right side
    2,318,187.20x = 4,159,775,675,569.92
  5. Step 5: Solve for x
    x = 4,159,775,675,569.92/2,318,187.20
  6. Step 6: Final answer
    x = 1,794,408.87

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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.