Home / 1,530,551.70-2,115,074.43-1,147,914.18

Finding the Fourth Proportional to 1,530,551.70, 2,115,074.43 and 1,147,914.18

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Solution

The fourth proportional to 1,530,551.70, 2,115,074.43 and 1,147,914.18 is: 1,586,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,551.70 : 2,115,074.43 = 1,147,914.18 : x
  2. Step 2: Convert to fraction form
    1,530,551.70/2,115,074.43 = 1,147,914.18/x
  3. Step 3: Cross multiply
    1,530,551.70x = 2,115,074.43 × 1,147,914.18
  4. Step 4: Simplify right side
    1,530,551.70x = 2,427,923,929,952.42
  5. Step 5: Solve for x
    x = 2,427,923,929,952.42/1,530,551.70
  6. Step 6: Final answer
    x = 1,586,306.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.