Home / 2,137,645.60-3,206,468.40-1,963,463.20

Finding the Fourth Proportional to 2,137,645.60, 3,206,468.40 and 1,963,463.20

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Solution

The fourth proportional to 2,137,645.60, 3,206,468.40 and 1,963,463.20 is: 2,945,194.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137,645.60 : 3,206,468.40 = 1,963,463.20 : x
  2. Step 2: Convert to fraction form
    2,137,645.60/3,206,468.40 = 1,963,463.20/x
  3. Step 3: Cross multiply
    2,137,645.60x = 3,206,468.40 × 1,963,463.20
  4. Step 4: Simplify right side
    2,137,645.60x = 6,295,782,705,362.88
  5. Step 5: Solve for x
    x = 6,295,782,705,362.88/2,137,645.60
  6. Step 6: Final answer
    x = 2,945,194.80

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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.