Home / 3,759,926.17-5,188,713.69-2,128,648.34

Finding the Fourth Proportional to 3,759,926.17, 5,188,713.69 and 2,128,648.34

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Solution

The fourth proportional to 3,759,926.17, 5,188,713.69 and 2,128,648.34 is: 2,937,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,759,926.17 : 5,188,713.69 = 2,128,648.34 : x
  2. Step 2: Convert to fraction form
    3,759,926.17/5,188,713.69 = 2,128,648.34/x
  3. Step 3: Cross multiply
    3,759,926.17x = 5,188,713.69 × 2,128,648.34
  4. Step 4: Simplify right side
    3,759,926.17x = 11,044,946,757,010.21
  5. Step 5: Solve for x
    x = 11,044,946,757,010.21/3,759,926.17
  6. Step 6: Final answer
    x = 2,937,543.52

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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.