Home / 2,521,197.78-3,781,829.58-838,301.28

Finding the Fourth Proportional to 2,521,197.78, 3,781,829.58 and 838,301.28

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Solution

The fourth proportional to 2,521,197.78, 3,781,829.58 and 838,301.28 is: 1,257,462.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,521,197.78 : 3,781,829.58 = 838,301.28 : x
  2. Step 2: Convert to fraction form
    2,521,197.78/3,781,829.58 = 838,301.28/x
  3. Step 3: Cross multiply
    2,521,197.78x = 3,781,829.58 × 838,301.28
  4. Step 4: Simplify right side
    2,521,197.78x = 3,170,312,577,655.86
  5. Step 5: Solve for x
    x = 3,170,312,577,655.86/2,521,197.78
  6. Step 6: Final answer
    x = 1,257,462.86

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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.