Home / 1,942,238.25-2,680,635.06-1,217,707.02

Finding the Fourth Proportional to 1,942,238.25, 2,680,635.06 and 1,217,707.02

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Solution

The fourth proportional to 1,942,238.25, 2,680,635.06 and 1,217,707.02 is: 1,680,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,238.25 : 2,680,635.06 = 1,217,707.02 : x
  2. Step 2: Convert to fraction form
    1,942,238.25/2,680,635.06 = 1,217,707.02/x
  3. Step 3: Cross multiply
    1,942,238.25x = 2,680,635.06 × 1,217,707.02
  4. Step 4: Simplify right side
    1,942,238.25x = 3,264,228,130,620.12
  5. Step 5: Solve for x
    x = 3,264,228,130,620.12/1,942,238.25
  6. Step 6: Final answer
    x = 1,680,652.79

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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.