Home / 2,699,489.30-4,050,256.68-1,620,755.20

Finding the Fourth Proportional to 2,699,489.30, 4,050,256.68 and 1,620,755.20

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Solution

The fourth proportional to 2,699,489.30, 4,050,256.68 and 1,620,755.20 is: 2,431,746.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,699,489.30 : 4,050,256.68 = 1,620,755.20 : x
  2. Step 2: Convert to fraction form
    2,699,489.30/4,050,256.68 = 1,620,755.20/x
  3. Step 3: Cross multiply
    2,699,489.30x = 4,050,256.68 × 1,620,755.20
  4. Step 4: Simplify right side
    2,699,489.30x = 6,564,474,565,319.10
  5. Step 5: Solve for x
    x = 6,564,474,565,319.10/2,699,489.30
  6. Step 6: Final answer
    x = 2,431,746.83

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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.