Home / 2,300,120.55-3,445,758.88-1,286,167.20

Finding the Fourth Proportional to 2,300,120.55, 3,445,758.88 and 1,286,167.20

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Solution

The fourth proportional to 2,300,120.55, 3,445,758.88 and 1,286,167.20 is: 1,926,778.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,300,120.55 : 3,445,758.88 = 1,286,167.20 : x
  2. Step 2: Convert to fraction form
    2,300,120.55/3,445,758.88 = 1,286,167.20/x
  3. Step 3: Cross multiply
    2,300,120.55x = 3,445,758.88 × 1,286,167.20
  4. Step 4: Simplify right side
    2,300,120.55x = 4,431,822,026,905.11
  5. Step 5: Solve for x
    x = 4,431,822,026,905.11/2,300,120.55
  6. Step 6: Final answer
    x = 1,926,778.16

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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.