Home / 2,103,079.81-3,153,356.22-822,161.65

Finding the Fourth Proportional to 2,103,079.81, 3,153,356.22 and 822,161.65

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Solution

The fourth proportional to 2,103,079.81, 3,153,356.22 and 822,161.65 is: 1,232,748.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,079.81 : 3,153,356.22 = 822,161.65 : x
  2. Step 2: Convert to fraction form
    2,103,079.81/3,153,356.22 = 822,161.65/x
  3. Step 3: Cross multiply
    2,103,079.81x = 3,153,356.22 × 822,161.65
  4. Step 4: Simplify right side
    2,103,079.81x = 2,592,568,562,854.04
  5. Step 5: Solve for x
    x = 2,592,568,562,854.04/2,103,079.81
  6. Step 6: Final answer
    x = 1,232,748.54

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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.