Home / 5,180,562.77-7,149,228.75-2,857,554.59

Finding the Fourth Proportional to 5,180,562.77, 7,149,228.75 and 2,857,554.59

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Solution

The fourth proportional to 5,180,562.77, 7,149,228.75 and 2,857,554.59 is: 3,943,454.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,562.77 : 7,149,228.75 = 2,857,554.59 : x
  2. Step 2: Convert to fraction form
    5,180,562.77/7,149,228.75 = 2,857,554.59/x
  3. Step 3: Cross multiply
    5,180,562.77x = 7,149,228.75 × 2,857,554.59
  4. Step 4: Simplify right side
    5,180,562.77x = 20,429,311,393,776.32
  5. Step 5: Solve for x
    x = 20,429,311,393,776.32/5,180,562.77
  6. Step 6: Final answer
    x = 3,943,454.08

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Similar ratio
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1.5x scale

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.