Home / 2,938,948.20-4,400,012.70-1,809,412.20

Finding the Fourth Proportional to 2,938,948.20, 4,400,012.70 and 1,809,412.20

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Solution

The fourth proportional to 2,938,948.20, 4,400,012.70 and 1,809,412.20 is: 2,708,940.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,948.20 : 4,400,012.70 = 1,809,412.20 : x
  2. Step 2: Convert to fraction form
    2,938,948.20/4,400,012.70 = 1,809,412.20/x
  3. Step 3: Cross multiply
    2,938,948.20x = 4,400,012.70 × 1,809,412.20
  4. Step 4: Simplify right side
    2,938,948.20x = 7,961,436,659,534.94
  5. Step 5: Solve for x
    x = 7,961,436,659,534.94/2,938,948.20
  6. Step 6: Final answer
    x = 2,708,940.79

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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.