Home / 2,186,992.80-3,280,489.20-611,056.80

Finding the Fourth Proportional to 2,186,992.80, 3,280,489.20 and 611,056.80

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Solution

The fourth proportional to 2,186,992.80, 3,280,489.20 and 611,056.80 is: 916,585.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,186,992.80 : 3,280,489.20 = 611,056.80 : x
  2. Step 2: Convert to fraction form
    2,186,992.80/3,280,489.20 = 611,056.80/x
  3. Step 3: Cross multiply
    2,186,992.80x = 3,280,489.20 × 611,056.80
  4. Step 4: Simplify right side
    2,186,992.80x = 2,004,565,232,986.56
  5. Step 5: Solve for x
    x = 2,004,565,232,986.56/2,186,992.80
  6. Step 6: Final answer
    x = 916,585.20

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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.