Home / 2,891,619.36-4,338,916.20-1,377,019.80

Finding the Fourth Proportional to 2,891,619.36, 4,338,916.20 and 1,377,019.80

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Solution

The fourth proportional to 2,891,619.36, 4,338,916.20 and 1,377,019.80 is: 2,066,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,619.36 : 4,338,916.20 = 1,377,019.80 : x
  2. Step 2: Convert to fraction form
    2,891,619.36/4,338,916.20 = 1,377,019.80/x
  3. Step 3: Cross multiply
    2,891,619.36x = 4,338,916.20 × 1,377,019.80
  4. Step 4: Simplify right side
    2,891,619.36x = 5,974,773,517,940.76
  5. Step 5: Solve for x
    x = 5,974,773,517,940.76/2,891,619.36
  6. Step 6: Final answer
    x = 2,066,237.90

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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.