Home / 1,620,536.67-2,236,280.52-895,368.78

Finding the Fourth Proportional to 1,620,536.67, 2,236,280.52 and 895,368.78

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Solution

The fourth proportional to 1,620,536.67, 2,236,280.52 and 895,368.78 is: 1,235,575.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,536.67 : 2,236,280.52 = 895,368.78 : x
  2. Step 2: Convert to fraction form
    1,620,536.67/2,236,280.52 = 895,368.78/x
  3. Step 3: Cross multiply
    1,620,536.67x = 2,236,280.52 × 895,368.78
  4. Step 4: Simplify right side
    1,620,536.67x = 2,002,295,760,930.17
  5. Step 5: Solve for x
    x = 2,002,295,760,930.17/1,620,536.67
  6. Step 6: Final answer
    x = 1,235,575.72

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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.