Home / 1,979,220.06-2,731,650.30-1,358,515.11

Finding the Fourth Proportional to 1,979,220.06, 2,731,650.30 and 1,358,515.11

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Solution

The fourth proportional to 1,979,220.06, 2,731,650.30 and 1,358,515.11 is: 1,874,975.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,979,220.06 : 2,731,650.30 = 1,358,515.11 : x
  2. Step 2: Convert to fraction form
    1,979,220.06/2,731,650.30 = 1,358,515.11/x
  3. Step 3: Cross multiply
    1,979,220.06x = 2,731,650.30 × 1,358,515.11
  4. Step 4: Simplify right side
    1,979,220.06x = 3,710,988,207,786.03
  5. Step 5: Solve for x
    x = 3,710,988,207,786.03/1,979,220.06
  6. Step 6: Final answer
    x = 1,874,975.04

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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.