Home / 5,151,411.88-7,108,592.76-2,859,392.12

Finding the Fourth Proportional to 5,151,411.88, 7,108,592.76 and 2,859,392.12

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Solution

The fourth proportional to 5,151,411.88, 7,108,592.76 and 2,859,392.12 is: 3,945,763.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151,411.88 : 7,108,592.76 = 2,859,392.12 : x
  2. Step 2: Convert to fraction form
    5,151,411.88/7,108,592.76 = 2,859,392.12/x
  3. Step 3: Cross multiply
    5,151,411.88x = 7,108,592.76 × 2,859,392.12
  4. Step 4: Simplify right side
    5,151,411.88x = 20,326,254,122,233.05
  5. Step 5: Solve for x
    x = 20,326,254,122,233.05/5,151,411.88
  6. Step 6: Final answer
    x = 3,945,763.72

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1.5x scale

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.