Home / 2,609,128.87-3,914,625.56-1,586,539.65

Finding the Fourth Proportional to 2,609,128.87, 3,914,625.56 and 1,586,539.65

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Solution

The fourth proportional to 2,609,128.87, 3,914,625.56 and 1,586,539.65 is: 2,380,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,609,128.87 : 3,914,625.56 = 1,586,539.65 : x
  2. Step 2: Convert to fraction form
    2,609,128.87/3,914,625.56 = 1,586,539.65/x
  3. Step 3: Cross multiply
    2,609,128.87x = 3,914,625.56 × 1,586,539.65
  4. Step 4: Simplify right side
    2,609,128.87x = 6,210,708,665,843.45
  5. Step 5: Solve for x
    x = 6,210,708,665,843.45/2,609,128.87
  6. Step 6: Final answer
    x = 2,380,376.35

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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.