Home / 2,189,360.40-3,282,485.40-991,856.40

Finding the Fourth Proportional to 2,189,360.40, 3,282,485.40 and 991,856.40

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Solution

The fourth proportional to 2,189,360.40, 3,282,485.40 and 991,856.40 is: 1,487,080.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,360.40 : 3,282,485.40 = 991,856.40 : x
  2. Step 2: Convert to fraction form
    2,189,360.40/3,282,485.40 = 991,856.40/x
  3. Step 3: Cross multiply
    2,189,360.40x = 3,282,485.40 × 991,856.40
  4. Step 4: Simplify right side
    2,189,360.40x = 3,255,754,151,896.56
  5. Step 5: Solve for x
    x = 3,255,754,151,896.56/2,189,360.40
  6. Step 6: Final answer
    x = 1,487,080.04

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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.