Home / 3,120,727.20-4,681,090.80-2,759,920.80

Finding the Fourth Proportional to 3,120,727.20, 4,681,090.80 and 2,759,920.80

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Solution

The fourth proportional to 3,120,727.20, 4,681,090.80 and 2,759,920.80 is: 4,139,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,727.20 : 4,681,090.80 = 2,759,920.80 : x
  2. Step 2: Convert to fraction form
    3,120,727.20/4,681,090.80 = 2,759,920.80/x
  3. Step 3: Cross multiply
    3,120,727.20x = 4,681,090.80 × 2,759,920.80
  4. Step 4: Simplify right side
    3,120,727.20x = 12,919,439,865,608.64
  5. Step 5: Solve for x
    x = 12,919,439,865,608.64/3,120,727.20
  6. Step 6: Final answer
    x = 4,139,881.20

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1.5x scale

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.