Home / 1,620,489.70-2,236,320.90-895,384.15

Finding the Fourth Proportional to 1,620,489.70, 2,236,320.90 and 895,384.15

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Solution

The fourth proportional to 1,620,489.70, 2,236,320.90 and 895,384.15 is: 1,235,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,489.70 : 2,236,320.90 = 895,384.15 : x
  2. Step 2: Convert to fraction form
    1,620,489.70/2,236,320.90 = 895,384.15/x
  3. Step 3: Cross multiply
    1,620,489.70x = 2,236,320.90 × 895,384.15
  4. Step 4: Simplify right side
    1,620,489.70x = 2,002,366,288,173.74
  5. Step 5: Solve for x
    x = 2,002,366,288,173.74/1,620,489.70
  6. Step 6: Final answer
    x = 1,235,655.05

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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.