Home / 2,182,985.27-2,990,700.60-2,101,168.65

Finding the Fourth Proportional to 2,182,985.27, 2,990,700.60 and 2,101,168.65

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Solution

The fourth proportional to 2,182,985.27, 2,990,700.60 and 2,101,168.65 is: 2,878,611.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,985.27 : 2,990,700.60 = 2,101,168.65 : x
  2. Step 2: Convert to fraction form
    2,182,985.27/2,990,700.60 = 2,101,168.65/x
  3. Step 3: Cross multiply
    2,182,985.27x = 2,990,700.60 × 2,101,168.65
  4. Step 4: Simplify right side
    2,182,985.27x = 6,283,966,345,591.94
  5. Step 5: Solve for x
    x = 6,283,966,345,591.94/2,182,985.27
  6. Step 6: Final answer
    x = 2,878,611.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.