Home / 1,992,456.23-2,988,363.58-572,189.27

Finding the Fourth Proportional to 1,992,456.23, 2,988,363.58 and 572,189.27

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Solution

The fourth proportional to 1,992,456.23, 2,988,363.58 and 572,189.27 is: 858,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,456.23 : 2,988,363.58 = 572,189.27 : x
  2. Step 2: Convert to fraction form
    1,992,456.23/2,988,363.58 = 572,189.27/x
  3. Step 3: Cross multiply
    1,992,456.23x = 2,988,363.58 × 572,189.27
  4. Step 4: Simplify right side
    1,992,456.23x = 1,709,909,558,962.50
  5. Step 5: Solve for x
    x = 1,709,909,558,962.50/1,992,456.23
  6. Step 6: Final answer
    x = 858,191.78

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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.