Home / 6,520,234.80-9,779,914.80-1,727,821.20

Finding the Fourth Proportional to 6,520,234.80, 9,779,914.80 and 1,727,821.20

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Solution

The fourth proportional to 6,520,234.80, 9,779,914.80 and 1,727,821.20 is: 2,591,615.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520,234.80 : 9,779,914.80 = 1,727,821.20 : x
  2. Step 2: Convert to fraction form
    6,520,234.80/9,779,914.80 = 1,727,821.20/x
  3. Step 3: Cross multiply
    6,520,234.80x = 9,779,914.80 × 1,727,821.20
  4. Step 4: Simplify right side
    6,520,234.80x = 16,897,944,125,633.76
  5. Step 5: Solve for x
    x = 16,897,944,125,633.76/6,520,234.80
  6. Step 6: Final answer
    x = 2,591,615.89

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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.