Home / 2,154,137.10-3,231,205.65-1,553,829.90

Finding the Fourth Proportional to 2,154,137.10, 3,231,205.65 and 1,553,829.90

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Solution

The fourth proportional to 2,154,137.10, 3,231,205.65 and 1,553,829.90 is: 2,330,744.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,137.10 : 3,231,205.65 = 1,553,829.90 : x
  2. Step 2: Convert to fraction form
    2,154,137.10/3,231,205.65 = 1,553,829.90/x
  3. Step 3: Cross multiply
    2,154,137.10x = 3,231,205.65 × 1,553,829.90
  4. Step 4: Simplify right side
    2,154,137.10x = 5,020,743,952,018.93
  5. Step 5: Solve for x
    x = 5,020,743,952,018.93/2,154,137.10
  6. Step 6: Final answer
    x = 2,330,744.85

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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.