Home / 2,125,487.52-3,188,729.76-846,173.28

Finding the Fourth Proportional to 2,125,487.52, 3,188,729.76 and 846,173.28

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Solution

The fourth proportional to 2,125,487.52, 3,188,729.76 and 846,173.28 is: 1,269,458.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,487.52 : 3,188,729.76 = 846,173.28 : x
  2. Step 2: Convert to fraction form
    2,125,487.52/3,188,729.76 = 846,173.28/x
  3. Step 3: Cross multiply
    2,125,487.52x = 3,188,729.76 × 846,173.28
  4. Step 4: Simplify right side
    2,125,487.52x = 2,698,217,920,052.81
  5. Step 5: Solve for x
    x = 2,698,217,920,052.81/2,125,487.52
  6. Step 6: Final answer
    x = 1,269,458.37

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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.