Home / 3,751,965.32-5,626,569.39-1,289,282.78

Finding the Fourth Proportional to 3,751,965.32, 5,626,569.39 and 1,289,282.78

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Solution

The fourth proportional to 3,751,965.32, 5,626,569.39 and 1,289,282.78 is: 1,933,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751,965.32 : 5,626,569.39 = 1,289,282.78 : x
  2. Step 2: Convert to fraction form
    3,751,965.32/5,626,569.39 = 1,289,282.78/x
  3. Step 3: Cross multiply
    3,751,965.32x = 5,626,569.39 × 1,289,282.78
  4. Step 4: Simplify right side
    3,751,965.32x = 7,254,238,996,869.26
  5. Step 5: Solve for x
    x = 7,254,238,996,869.26/3,751,965.32
  6. Step 6: Final answer
    x = 1,933,450.44

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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.