Home / 2,145,838.92-2,960,026.20-1,339,623.24

Finding the Fourth Proportional to 2,145,838.92, 2,960,026.20 and 1,339,623.24

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Solution

The fourth proportional to 2,145,838.92, 2,960,026.20 and 1,339,623.24 is: 1,847,911.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,838.92 : 2,960,026.20 = 1,339,623.24 : x
  2. Step 2: Convert to fraction form
    2,145,838.92/2,960,026.20 = 1,339,623.24/x
  3. Step 3: Cross multiply
    2,145,838.92x = 2,960,026.20 × 1,339,623.24
  4. Step 4: Simplify right side
    2,145,838.92x = 3,965,319,888,528.89
  5. Step 5: Solve for x
    x = 3,965,319,888,528.89/2,145,838.92
  6. Step 6: Final answer
    x = 1,847,911.25

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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.