Home / 2,569,109.12-3,537,281.92-2,181,157.20

Finding the Fourth Proportional to 2,569,109.12, 3,537,281.92 and 2,181,157.20

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Solution

The fourth proportional to 2,569,109.12, 3,537,281.92 and 2,181,157.20 is: 3,003,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569,109.12 : 3,537,281.92 = 2,181,157.20 : x
  2. Step 2: Convert to fraction form
    2,569,109.12/3,537,281.92 = 2,181,157.20/x
  3. Step 3: Cross multiply
    2,569,109.12x = 3,537,281.92 × 2,181,157.20
  4. Step 4: Simplify right side
    2,569,109.12x = 7,715,367,928,237.82
  5. Step 5: Solve for x
    x = 7,715,367,928,237.82/2,569,109.12
  6. Step 6: Final answer
    x = 3,003,129.71

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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.