Home / 2,882,381.13-3,978,081.45-1,658,661.66

Finding the Fourth Proportional to 2,882,381.13, 3,978,081.45 and 1,658,661.66

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Solution

The fourth proportional to 2,882,381.13, 3,978,081.45 and 1,658,661.66 is: 2,289,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882,381.13 : 3,978,081.45 = 1,658,661.66 : x
  2. Step 2: Convert to fraction form
    2,882,381.13/3,978,081.45 = 1,658,661.66/x
  3. Step 3: Cross multiply
    2,882,381.13x = 3,978,081.45 × 1,658,661.66
  4. Step 4: Simplify right side
    2,882,381.13x = 6,598,291,181,472.21
  5. Step 5: Solve for x
    x = 6,598,291,181,472.21/2,882,381.13
  6. Step 6: Final answer
    x = 2,289,180.68

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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.