Home / 2,721,178.77-4,082,358.65-827,871

Finding the Fourth Proportional to 2,721,178.77, 4,082,358.65 and 827,871

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Solution

The fourth proportional to 2,721,178.77, 4,082,358.65 and 827,871 is: 1,241,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721,178.77 : 4,082,358.65 = 827,871 : x
  2. Step 2: Convert to fraction form
    2,721,178.77/4,082,358.65 = 827,871/x
  3. Step 3: Cross multiply
    2,721,178.77x = 4,082,358.65 × 827,871
  4. Step 4: Simplify right side
    2,721,178.77x = 3,379,666,333,794.80
  5. Step 5: Solve for x
    x = 3,379,666,333,794.80/2,721,178.77
  6. Step 6: Final answer
    x = 1,241,986.15

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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.