Home / 3,905,480.40-5,389,502.76-2,186,662.42

Finding the Fourth Proportional to 3,905,480.40, 5,389,502.76 and 2,186,662.42

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Solution

The fourth proportional to 3,905,480.40, 5,389,502.76 and 2,186,662.42 is: 3,017,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,480.40 : 5,389,502.76 = 2,186,662.42 : x
  2. Step 2: Convert to fraction form
    3,905,480.40/5,389,502.76 = 2,186,662.42/x
  3. Step 3: Cross multiply
    3,905,480.40x = 5,389,502.76 × 2,186,662.42
  4. Step 4: Simplify right side
    3,905,480.40x = 11,785,023,147,778.28
  5. Step 5: Solve for x
    x = 11,785,023,147,778.28/3,905,480.40
  6. Step 6: Final answer
    x = 3,017,560.44

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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.