Home / 5,490,648.80-8,245,421.04-5,254,452.80

Finding the Fourth Proportional to 5,490,648.80, 8,245,421.04 and 5,254,452.80

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Solution

The fourth proportional to 5,490,648.80, 8,245,421.04 and 5,254,452.80 is: 7,890,720.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490,648.80 : 8,245,421.04 = 5,254,452.80 : x
  2. Step 2: Convert to fraction form
    5,490,648.80/8,245,421.04 = 5,254,452.80/x
  3. Step 3: Cross multiply
    5,490,648.80x = 8,245,421.04 × 5,254,452.80
  4. Step 4: Simplify right side
    5,490,648.80x = 43,325,175,670,806.91
  5. Step 5: Solve for x
    x = 43,325,175,670,806.91/5,490,648.80
  6. Step 6: Final answer
    x = 7,890,720.61

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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.