Home / 2,819,500.09-4,229,250.14-689,558.92

Finding the Fourth Proportional to 2,819,500.09, 4,229,250.14 and 689,558.92

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Solution

The fourth proportional to 2,819,500.09, 4,229,250.14 and 689,558.92 is: 1,034,338.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,500.09 : 4,229,250.14 = 689,558.92 : x
  2. Step 2: Convert to fraction form
    2,819,500.09/4,229,250.14 = 689,558.92/x
  3. Step 3: Cross multiply
    2,819,500.09x = 4,229,250.14 × 689,558.92
  4. Step 4: Simplify right side
    2,819,500.09x = 2,916,317,158,948.25
  5. Step 5: Solve for x
    x = 2,916,317,158,948.25/2,819,500.09
  6. Step 6: Final answer
    x = 1,034,338.38

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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.