Home / 5,151,731.91-7,109,033.76-2,859,712.17

Finding the Fourth Proportional to 5,151,731.91, 7,109,033.76 and 2,859,712.17

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Solution

The fourth proportional to 5,151,731.91, 7,109,033.76 and 2,859,712.17 is: 3,946,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,731.91 : 7,109,033.76 = 2,859,712.17 : x
  2. Step 2: Convert to fraction form
    5,151,731.91/7,109,033.76 = 2,859,712.17/x
  3. Step 3: Cross multiply
    5,151,731.91x = 7,109,033.76 × 2,859,712.17
  4. Step 4: Simplify right side
    5,151,731.91x = 20,329,790,360,412.86
  5. Step 5: Solve for x
    x = 20,329,790,360,412.86/5,151,731.91
  6. Step 6: Final answer
    x = 3,946,205.03

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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.