Home / 2,138,535.72-3,205,794.30-717,595.32

Finding the Fourth Proportional to 2,138,535.72, 3,205,794.30 and 717,595.32

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Solution

The fourth proportional to 2,138,535.72, 3,205,794.30 and 717,595.32 is: 1,075,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,535.72 : 3,205,794.30 = 717,595.32 : x
  2. Step 2: Convert to fraction form
    2,138,535.72/3,205,794.30 = 717,595.32/x
  3. Step 3: Cross multiply
    2,138,535.72x = 3,205,794.30 × 717,595.32
  4. Step 4: Simplify right side
    2,138,535.72x = 2,300,462,986,562.68
  5. Step 5: Solve for x
    x = 2,300,462,986,562.68/2,138,535.72
  6. Step 6: Final answer
    x = 1,075,718.76

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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.