Home / 2,998,448.59-4,137,956.85-1,640,321.59

Finding the Fourth Proportional to 2,998,448.59, 4,137,956.85 and 1,640,321.59

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Solution

The fourth proportional to 2,998,448.59, 4,137,956.85 and 1,640,321.59 is: 2,263,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,448.59 : 4,137,956.85 = 1,640,321.59 : x
  2. Step 2: Convert to fraction form
    2,998,448.59/4,137,956.85 = 1,640,321.59/x
  3. Step 3: Cross multiply
    2,998,448.59x = 4,137,956.85 × 1,640,321.59
  4. Step 4: Simplify right side
    2,998,448.59x = 6,787,579,959,543.39
  5. Step 5: Solve for x
    x = 6,787,579,959,543.39/2,998,448.59
  6. Step 6: Final answer
    x = 2,263,697.29

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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.