Home / 2,810,481-3,878,989.20-1,603,257

Finding the Fourth Proportional to 2,810,481, 3,878,989.20 and 1,603,257

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Solution

The fourth proportional to 2,810,481, 3,878,989.20 and 1,603,257 is: 2,212,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810,481 : 3,878,989.20 = 1,603,257 : x
  2. Step 2: Convert to fraction form
    2,810,481/3,878,989.20 = 1,603,257/x
  3. Step 3: Cross multiply
    2,810,481x = 3,878,989.20 × 1,603,257
  4. Step 4: Simplify right side
    2,810,481x = 6,219,016,587,824.40
  5. Step 5: Solve for x
    x = 6,219,016,587,824.40/2,810,481
  6. Step 6: Final answer
    x = 2,212,794.39

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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.