Home / 2,178,388.08-3,006,396-1,248,219.01

Finding the Fourth Proportional to 2,178,388.08, 3,006,396 and 1,248,219.01

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Solution

The fourth proportional to 2,178,388.08, 3,006,396 and 1,248,219.01 is: 1,722,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,388.08 : 3,006,396 = 1,248,219.01 : x
  2. Step 2: Convert to fraction form
    2,178,388.08/3,006,396 = 1,248,219.01/x
  3. Step 3: Cross multiply
    2,178,388.08x = 3,006,396 × 1,248,219.01
  4. Step 4: Simplify right side
    2,178,388.08x = 3,752,640,642,545.96
  5. Step 5: Solve for x
    x = 3,752,640,642,545.96/2,178,388.08
  6. Step 6: Final answer
    x = 1,722,668.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.