Home / 2,156,858.64-3,235,005.92-640,510.56

Finding the Fourth Proportional to 2,156,858.64, 3,235,005.92 and 640,510.56

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Solution

The fourth proportional to 2,156,858.64, 3,235,005.92 and 640,510.56 is: 960,682.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,858.64 : 3,235,005.92 = 640,510.56 : x
  2. Step 2: Convert to fraction form
    2,156,858.64/3,235,005.92 = 640,510.56/x
  3. Step 3: Cross multiply
    2,156,858.64x = 3,235,005.92 × 640,510.56
  4. Step 4: Simplify right side
    2,156,858.64x = 2,072,055,453,422.52
  5. Step 5: Solve for x
    x = 2,072,055,453,422.52/2,156,858.64
  6. Step 6: Final answer
    x = 960,682.08

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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.