Home / 3,171,690.24-4,375,860.48-1,812,595.20

Finding the Fourth Proportional to 3,171,690.24, 4,375,860.48 and 1,812,595.20

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Solution

The fourth proportional to 3,171,690.24, 4,375,860.48 and 1,812,595.20 is: 2,500,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,171,690.24 : 4,375,860.48 = 1,812,595.20 : x
  2. Step 2: Convert to fraction form
    3,171,690.24/4,375,860.48 = 1,812,595.20/x
  3. Step 3: Cross multiply
    3,171,690.24x = 4,375,860.48 × 1,812,595.20
  4. Step 4: Simplify right side
    3,171,690.24x = 7,931,663,701,917.70
  5. Step 5: Solve for x
    x = 7,931,663,701,917.70/3,171,690.24
  6. Step 6: Final answer
    x = 2,500,768.71

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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.