Home / 3,218,062.70-4,825,668.45-1,087,568.30

Finding the Fourth Proportional to 3,218,062.70, 4,825,668.45 and 1,087,568.30

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Solution

The fourth proportional to 3,218,062.70, 4,825,668.45 and 1,087,568.30 is: 1,630,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,062.70 : 4,825,668.45 = 1,087,568.30 : x
  2. Step 2: Convert to fraction form
    3,218,062.70/4,825,668.45 = 1,087,568.30/x
  3. Step 3: Cross multiply
    3,218,062.70x = 4,825,668.45 × 1,087,568.30
  4. Step 4: Simplify right side
    3,218,062.70x = 5,248,244,032,530.14
  5. Step 5: Solve for x
    x = 5,248,244,032,530.14/3,218,062.70
  6. Step 6: Final answer
    x = 1,630,870.66

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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.