Home / 2,206,039.16-3,309,061.32-689,730.03

Finding the Fourth Proportional to 2,206,039.16, 3,309,061.32 and 689,730.03

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Solution

The fourth proportional to 2,206,039.16, 3,309,061.32 and 689,730.03 is: 1,034,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206,039.16 : 3,309,061.32 = 689,730.03 : x
  2. Step 2: Convert to fraction form
    2,206,039.16/3,309,061.32 = 689,730.03/x
  3. Step 3: Cross multiply
    2,206,039.16x = 3,309,061.32 × 689,730.03
  4. Step 4: Simplify right side
    2,206,039.16x = 2,282,358,963,515.44
  5. Step 5: Solve for x
    x = 2,282,358,963,515.44/2,206,039.16
  6. Step 6: Final answer
    x = 1,034,595.85

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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.