Home / 2,474,852.20-3,712,278.30-1,215,140.20

Finding the Fourth Proportional to 2,474,852.20, 3,712,278.30 and 1,215,140.20

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Solution

The fourth proportional to 2,474,852.20, 3,712,278.30 and 1,215,140.20 is: 1,822,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,474,852.20 : 3,712,278.30 = 1,215,140.20 : x
  2. Step 2: Convert to fraction form
    2,474,852.20/3,712,278.30 = 1,215,140.20/x
  3. Step 3: Cross multiply
    2,474,852.20x = 3,712,278.30 × 1,215,140.20
  4. Step 4: Simplify right side
    2,474,852.20x = 4,510,938,595,917.66
  5. Step 5: Solve for x
    x = 4,510,938,595,917.66/2,474,852.20
  6. Step 6: Final answer
    x = 1,822,710.30

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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.