Home / 3,143,196.56-4,340,904.45-2,165,677.29

Finding the Fourth Proportional to 3,143,196.56, 4,340,904.45 and 2,165,677.29

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Solution

The fourth proportional to 3,143,196.56, 4,340,904.45 and 2,165,677.29 is: 2,990,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143,196.56 : 4,340,904.45 = 2,165,677.29 : x
  2. Step 2: Convert to fraction form
    3,143,196.56/4,340,904.45 = 2,165,677.29/x
  3. Step 3: Cross multiply
    3,143,196.56x = 4,340,904.45 × 2,165,677.29
  4. Step 4: Simplify right side
    3,143,196.56x = 9,400,998,177,303.65
  5. Step 5: Solve for x
    x = 9,400,998,177,303.65/3,143,196.56
  6. Step 6: Final answer
    x = 2,990,903.68

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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.