Home / 3,781,842.35-5,671,998.07-1,384,868.48

Finding the Fourth Proportional to 3,781,842.35, 5,671,998.07 and 1,384,868.48

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Solution

The fourth proportional to 3,781,842.35, 5,671,998.07 and 1,384,868.48 is: 2,077,022.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,842.35 : 5,671,998.07 = 1,384,868.48 : x
  2. Step 2: Convert to fraction form
    3,781,842.35/5,671,998.07 = 1,384,868.48/x
  3. Step 3: Cross multiply
    3,781,842.35x = 5,671,998.07 × 1,384,868.48
  4. Step 4: Simplify right side
    3,781,842.35x = 7,854,971,313,941.67
  5. Step 5: Solve for x
    x = 7,854,971,313,941.67/3,781,842.35
  6. Step 6: Final answer
    x = 2,077,022.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.