Home / 3,879,001.19-5,353,143.37-2,136,796.90

Finding the Fourth Proportional to 3,879,001.19, 5,353,143.37 and 2,136,796.90

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Solution

The fourth proportional to 3,879,001.19, 5,353,143.37 and 2,136,796.90 is: 2,948,846.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,879,001.19 : 5,353,143.37 = 2,136,796.90 : x
  2. Step 2: Convert to fraction form
    3,879,001.19/5,353,143.37 = 2,136,796.90/x
  3. Step 3: Cross multiply
    3,879,001.19x = 5,353,143.37 × 2,136,796.90
  4. Step 4: Simplify right side
    3,879,001.19x = 11,438,580,139,546.70
  5. Step 5: Solve for x
    x = 11,438,580,139,546.70/3,879,001.19
  6. Step 6: Final answer
    x = 2,948,846.77

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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.