Home / 2,809,554.12-3,877,184.88-1,520,394.57

Finding the Fourth Proportional to 2,809,554.12, 3,877,184.88 and 1,520,394.57

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Solution

The fourth proportional to 2,809,554.12, 3,877,184.88 and 1,520,394.57 is: 2,098,144.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,554.12 : 3,877,184.88 = 1,520,394.57 : x
  2. Step 2: Convert to fraction form
    2,809,554.12/3,877,184.88 = 1,520,394.57/x
  3. Step 3: Cross multiply
    2,809,554.12x = 3,877,184.88 × 1,520,394.57
  4. Step 4: Simplify right side
    2,809,554.12x = 5,894,850,838,438.10
  5. Step 5: Solve for x
    x = 5,894,850,838,438.10/2,809,554.12
  6. Step 6: Final answer
    x = 2,098,144.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.