Home / 3,872,961.86-5,344,037.97-2,153,852.42

Finding the Fourth Proportional to 3,872,961.86, 5,344,037.97 and 2,153,852.42

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Solution

The fourth proportional to 3,872,961.86, 5,344,037.97 and 2,153,852.42 is: 2,971,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,872,961.86 : 5,344,037.97 = 2,153,852.42 : x
  2. Step 2: Convert to fraction form
    3,872,961.86/5,344,037.97 = 2,153,852.42/x
  3. Step 3: Cross multiply
    3,872,961.86x = 5,344,037.97 × 2,153,852.42
  4. Step 4: Simplify right side
    3,872,961.86x = 11,510,269,087,536.20
  5. Step 5: Solve for x
    x = 11,510,269,087,536.20/3,872,961.86
  6. Step 6: Final answer
    x = 2,971,955.19

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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.