Home / 2,290,585.68-3,436,321.40-870,531.05

Finding the Fourth Proportional to 2,290,585.68, 3,436,321.40 and 870,531.05

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Solution

The fourth proportional to 2,290,585.68, 3,436,321.40 and 870,531.05 is: 1,305,964.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,585.68 : 3,436,321.40 = 870,531.05 : x
  2. Step 2: Convert to fraction form
    2,290,585.68/3,436,321.40 = 870,531.05/x
  3. Step 3: Cross multiply
    2,290,585.68x = 3,436,321.40 × 870,531.05
  4. Step 4: Simplify right side
    2,290,585.68x = 2,991,424,476,479.47
  5. Step 5: Solve for x
    x = 2,991,424,476,479.47/2,290,585.68
  6. Step 6: Final answer
    x = 1,305,964.89

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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.