Home / 2,192,387.58-3,289,024.85-913,091.40

Finding the Fourth Proportional to 2,192,387.58, 3,289,024.85 and 913,091.40

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Solution

The fourth proportional to 2,192,387.58, 3,289,024.85 and 913,091.40 is: 1,369,821.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,387.58 : 3,289,024.85 = 913,091.40 : x
  2. Step 2: Convert to fraction form
    2,192,387.58/3,289,024.85 = 913,091.40/x
  3. Step 3: Cross multiply
    2,192,387.58x = 3,289,024.85 × 913,091.40
  4. Step 4: Simplify right side
    2,192,387.58x = 3,003,180,300,355.83
  5. Step 5: Solve for x
    x = 3,003,180,300,355.83/2,192,387.58
  6. Step 6: Final answer
    x = 1,369,821.80

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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.