Home / 2,182,822.56-3,012,385.90-1,215,952.60

Finding the Fourth Proportional to 2,182,822.56, 3,012,385.90 and 1,215,952.60

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Solution

The fourth proportional to 2,182,822.56, 3,012,385.90 and 1,215,952.60 is: 1,678,065.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,822.56 : 3,012,385.90 = 1,215,952.60 : x
  2. Step 2: Convert to fraction form
    2,182,822.56/3,012,385.90 = 1,215,952.60/x
  3. Step 3: Cross multiply
    2,182,822.56x = 3,012,385.90 × 1,215,952.60
  4. Step 4: Simplify right side
    2,182,822.56x = 3,662,918,467,308.34
  5. Step 5: Solve for x
    x = 3,662,918,467,308.34/2,182,822.56
  6. Step 6: Final answer
    x = 1,678,065.15

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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.