Home / 5,480,784.40-8,221,176.60-1,694,261.20

Finding the Fourth Proportional to 5,480,784.40, 8,221,176.60 and 1,694,261.20

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Solution

The fourth proportional to 5,480,784.40, 8,221,176.60 and 1,694,261.20 is: 2,541,391.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,784.40 : 8,221,176.60 = 1,694,261.20 : x
  2. Step 2: Convert to fraction form
    5,480,784.40/8,221,176.60 = 1,694,261.20/x
  3. Step 3: Cross multiply
    5,480,784.40x = 8,221,176.60 × 1,694,261.20
  4. Step 4: Simplify right side
    5,480,784.40x = 13,928,820,531,727.92
  5. Step 5: Solve for x
    x = 13,928,820,531,727.92/5,480,784.40
  6. Step 6: Final answer
    x = 2,541,391.80

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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.