Home / 1,620,269.86-2,236,103.13-895,180.90

Finding the Fourth Proportional to 1,620,269.86, 2,236,103.13 and 895,180.90

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Solution

The fourth proportional to 1,620,269.86, 2,236,103.13 and 895,180.90 is: 1,235,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,269.86 : 2,236,103.13 = 895,180.90 : x
  2. Step 2: Convert to fraction form
    1,620,269.86/2,236,103.13 = 895,180.90/x
  3. Step 3: Cross multiply
    1,620,269.86x = 2,236,103.13 × 895,180.90
  4. Step 4: Simplify right side
    1,620,269.86x = 2,001,716,812,406.22
  5. Step 5: Solve for x
    x = 2,001,716,812,406.22/1,620,269.86
  6. Step 6: Final answer
    x = 1,235,421.87

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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.