Home / 2,142,506.62-3,211,500.43-702,814.07

Finding the Fourth Proportional to 2,142,506.62, 3,211,500.43 and 702,814.07

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Solution

The fourth proportional to 2,142,506.62, 3,211,500.43 and 702,814.07 is: 1,053,479.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,142,506.62 : 3,211,500.43 = 702,814.07 : x
  2. Step 2: Convert to fraction form
    2,142,506.62/3,211,500.43 = 702,814.07/x
  3. Step 3: Cross multiply
    2,142,506.62x = 3,211,500.43 × 702,814.07
  4. Step 4: Simplify right side
    2,142,506.62x = 2,257,087,688,015.05
  5. Step 5: Solve for x
    x = 2,257,087,688,015.05/2,142,506.62
  6. Step 6: Final answer
    x = 1,053,479.91

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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.