Home / 3,938,456.13-5,907,159.21-1,098,330.45

Finding the Fourth Proportional to 3,938,456.13, 5,907,159.21 and 1,098,330.45

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Solution

The fourth proportional to 3,938,456.13, 5,907,159.21 and 1,098,330.45 is: 1,647,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,456.13 : 5,907,159.21 = 1,098,330.45 : x
  2. Step 2: Convert to fraction form
    3,938,456.13/5,907,159.21 = 1,098,330.45/x
  3. Step 3: Cross multiply
    3,938,456.13x = 5,907,159.21 × 1,098,330.45
  4. Step 4: Simplify right side
    3,938,456.13x = 6,488,012,833,340.94
  5. Step 5: Solve for x
    x = 6,488,012,833,340.94/3,938,456.13
  6. Step 6: Final answer
    x = 1,647,349.27

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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.