Home / 3,610,400.41-4,982,329.60-1,978,909.34

Finding the Fourth Proportional to 3,610,400.41, 4,982,329.60 and 1,978,909.34

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Solution

The fourth proportional to 3,610,400.41, 4,982,329.60 and 1,978,909.34 is: 2,730,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610,400.41 : 4,982,329.60 = 1,978,909.34 : x
  2. Step 2: Convert to fraction form
    3,610,400.41/4,982,329.60 = 1,978,909.34/x
  3. Step 3: Cross multiply
    3,610,400.41x = 4,982,329.60 × 1,978,909.34
  4. Step 4: Simplify right side
    3,610,400.41x = 9,859,578,586,962.97
  5. Step 5: Solve for x
    x = 9,859,578,586,962.97/3,610,400.41
  6. Step 6: Final answer
    x = 2,730,882.31

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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.