Home / 2,145,016.54-3,217,521.93-547,579.54

Finding the Fourth Proportional to 2,145,016.54, 3,217,521.93 and 547,579.54

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Solution

The fourth proportional to 2,145,016.54, 3,217,521.93 and 547,579.54 is: 821,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,145,016.54 : 3,217,521.93 = 547,579.54 : x
  2. Step 2: Convert to fraction form
    2,145,016.54/3,217,521.93 = 547,579.54/x
  3. Step 3: Cross multiply
    2,145,016.54x = 3,217,521.93 × 547,579.54
  4. Step 4: Simplify right side
    2,145,016.54x = 1,761,849,178,369.31
  5. Step 5: Solve for x
    x = 1,761,849,178,369.31/2,145,016.54
  6. Step 6: Final answer
    x = 821,368.57

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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.