Home / 5,760,465.60-8,640,698.40-3,623,620.80

Finding the Fourth Proportional to 5,760,465.60, 8,640,698.40 and 3,623,620.80

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Solution

The fourth proportional to 5,760,465.60, 8,640,698.40 and 3,623,620.80 is: 5,435,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,760,465.60 : 8,640,698.40 = 3,623,620.80 : x
  2. Step 2: Convert to fraction form
    5,760,465.60/8,640,698.40 = 3,623,620.80/x
  3. Step 3: Cross multiply
    5,760,465.60x = 8,640,698.40 × 3,623,620.80
  4. Step 4: Simplify right side
    5,760,465.60x = 31,310,614,448,766.72
  5. Step 5: Solve for x
    x = 31,310,614,448,766.72/5,760,465.60
  6. Step 6: Final answer
    x = 5,435,431.20

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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.