Home / 2,998,447.09-4,137,954.78-1,640,320.09

Finding the Fourth Proportional to 2,998,447.09, 4,137,954.78 and 1,640,320.09

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Solution

The fourth proportional to 2,998,447.09, 4,137,954.78 and 1,640,320.09 is: 2,263,695.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,447.09 : 4,137,954.78 = 1,640,320.09 : x
  2. Step 2: Convert to fraction form
    2,998,447.09/4,137,954.78 = 1,640,320.09/x
  3. Step 3: Cross multiply
    2,998,447.09x = 4,137,954.78 × 1,640,320.09
  4. Step 4: Simplify right side
    2,998,447.09x = 6,787,570,357,145.53
  5. Step 5: Solve for x
    x = 6,787,570,357,145.53/2,998,447.09
  6. Step 6: Final answer
    x = 2,263,695.22

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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.