Home / 4,127,748.30-6,192,205.65-1,287,564.30

Finding the Fourth Proportional to 4,127,748.30, 6,192,205.65 and 1,287,564.30

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Solution

The fourth proportional to 4,127,748.30, 6,192,205.65 and 1,287,564.30 is: 1,931,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127,748.30 : 6,192,205.65 = 1,287,564.30 : x
  2. Step 2: Convert to fraction form
    4,127,748.30/6,192,205.65 = 1,287,564.30/x
  3. Step 3: Cross multiply
    4,127,748.30x = 6,192,205.65 × 1,287,564.30
  4. Step 4: Simplify right side
    4,127,748.30x = 7,972,862,933,198.30
  5. Step 5: Solve for x
    x = 7,972,862,933,198.30/4,127,748.30
  6. Step 6: Final answer
    x = 1,931,528.37

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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.