Home / 2,195,769.70-3,029,800.58-1,379,395.20

Finding the Fourth Proportional to 2,195,769.70, 3,029,800.58 and 1,379,395.20

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Solution

The fourth proportional to 2,195,769.70, 3,029,800.58 and 1,379,395.20 is: 1,903,338.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195,769.70 : 3,029,800.58 = 1,379,395.20 : x
  2. Step 2: Convert to fraction form
    2,195,769.70/3,029,800.58 = 1,379,395.20/x
  3. Step 3: Cross multiply
    2,195,769.70x = 3,029,800.58 × 1,379,395.20
  4. Step 4: Simplify right side
    2,195,769.70x = 4,179,292,386,646.72
  5. Step 5: Solve for x
    x = 4,179,292,386,646.72/2,195,769.70
  6. Step 6: Final answer
    x = 1,903,338.22

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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.