Home / 3,108,159.89-4,258,194.24-2,991,666.91

Finding the Fourth Proportional to 3,108,159.89, 4,258,194.24 and 2,991,666.91

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Solution

The fourth proportional to 3,108,159.89, 4,258,194.24 and 2,991,666.91 is: 4,098,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,159.89 : 4,258,194.24 = 2,991,666.91 : x
  2. Step 2: Convert to fraction form
    3,108,159.89/4,258,194.24 = 2,991,666.91/x
  3. Step 3: Cross multiply
    3,108,159.89x = 4,258,194.24 × 2,991,666.91
  4. Step 4: Simplify right side
    3,108,159.89x = 12,739,098,786,035.95
  5. Step 5: Solve for x
    x = 12,739,098,786,035.95/3,108,159.89
  6. Step 6: Final answer
    x = 4,098,598.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.