Home / 2,065,830.30-3,098,745.45-1,257,515.10

Finding the Fourth Proportional to 2,065,830.30, 3,098,745.45 and 1,257,515.10

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Solution

The fourth proportional to 2,065,830.30, 3,098,745.45 and 1,257,515.10 is: 1,886,272.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,065,830.30 : 3,098,745.45 = 1,257,515.10 : x
  2. Step 2: Convert to fraction form
    2,065,830.30/3,098,745.45 = 1,257,515.10/x
  3. Step 3: Cross multiply
    2,065,830.30x = 3,098,745.45 × 1,257,515.10
  4. Step 4: Simplify right side
    2,065,830.30x = 3,896,719,194,431.30
  5. Step 5: Solve for x
    x = 3,896,719,194,431.30/2,065,830.30
  6. Step 6: Final answer
    x = 1,886,272.65

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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.