Home / 3,879,082.78-5,352,068.92-2,700,360.68

Finding the Fourth Proportional to 3,879,082.78, 5,352,068.92 and 2,700,360.68

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Solution

The fourth proportional to 3,879,082.78, 5,352,068.92 and 2,700,360.68 is: 3,725,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,082.78 : 5,352,068.92 = 2,700,360.68 : x
  2. Step 2: Convert to fraction form
    3,879,082.78/5,352,068.92 = 2,700,360.68/x
  3. Step 3: Cross multiply
    3,879,082.78x = 5,352,068.92 × 2,700,360.68
  4. Step 4: Simplify right side
    3,879,082.78x = 14,452,516,487,594.92
  5. Step 5: Solve for x
    x = 14,452,516,487,594.92/3,879,082.78
  6. Step 6: Final answer
    x = 3,725,756.14

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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.