Home / 5,265,455.20-7,898,182.80-2,431,103.20

Finding the Fourth Proportional to 5,265,455.20, 7,898,182.80 and 2,431,103.20

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Solution

The fourth proportional to 5,265,455.20, 7,898,182.80 and 2,431,103.20 is: 3,646,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,265,455.20 : 7,898,182.80 = 2,431,103.20 : x
  2. Step 2: Convert to fraction form
    5,265,455.20/7,898,182.80 = 2,431,103.20/x
  3. Step 3: Cross multiply
    5,265,455.20x = 7,898,182.80 × 2,431,103.20
  4. Step 4: Simplify right side
    5,265,455.20x = 19,201,297,479,264.96
  5. Step 5: Solve for x
    x = 19,201,297,479,264.96/5,265,455.20
  6. Step 6: Final answer
    x = 3,646,654.80

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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.