Home / 3,107,138.48-4,286,690.48-3,102,348.48

Finding the Fourth Proportional to 3,107,138.48, 4,286,690.48 and 3,102,348.48

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Solution

The fourth proportional to 3,107,138.48, 4,286,690.48 and 3,102,348.48 is: 4,280,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,138.48 : 4,286,690.48 = 3,102,348.48 : x
  2. Step 2: Convert to fraction form
    3,107,138.48/4,286,690.48 = 3,102,348.48/x
  3. Step 3: Cross multiply
    3,107,138.48x = 4,286,690.48 × 3,102,348.48
  4. Step 4: Simplify right side
    3,107,138.48x = 13,298,807,694,858.47
  5. Step 5: Solve for x
    x = 13,298,807,694,858.47/3,107,138.48
  6. Step 6: Final answer
    x = 4,280,082.07

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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.