Home / 2,018,507.76-3,024,334.20-1,218,107.40

Finding the Fourth Proportional to 2,018,507.76, 3,024,334.20 and 1,218,107.40

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Solution

The fourth proportional to 2,018,507.76, 3,024,334.20 and 1,218,107.40 is: 1,825,092.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,507.76 : 3,024,334.20 = 1,218,107.40 : x
  2. Step 2: Convert to fraction form
    2,018,507.76/3,024,334.20 = 1,218,107.40/x
  3. Step 3: Cross multiply
    2,018,507.76x = 3,024,334.20 × 1,218,107.40
  4. Step 4: Simplify right side
    2,018,507.76x = 3,683,963,869,093.08
  5. Step 5: Solve for x
    x = 3,683,963,869,093.08/2,018,507.76
  6. Step 6: Final answer
    x = 1,825,092.75

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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.