Home / 2,762,365.77-3,811,868.82-1,521,921.92

Finding the Fourth Proportional to 2,762,365.77, 3,811,868.82 and 1,521,921.92

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Solution

The fourth proportional to 2,762,365.77, 3,811,868.82 and 1,521,921.92 is: 2,100,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762,365.77 : 3,811,868.82 = 1,521,921.92 : x
  2. Step 2: Convert to fraction form
    2,762,365.77/3,811,868.82 = 1,521,921.92/x
  3. Step 3: Cross multiply
    2,762,365.77x = 3,811,868.82 × 1,521,921.92
  4. Step 4: Simplify right side
    2,762,365.77x = 5,801,366,717,145
  5. Step 5: Solve for x
    x = 5,801,366,717,145/2,762,365.77
  6. Step 6: Final answer
    x = 2,100,144.30

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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.