Home / 2,998,458.55-4,137,970.62-1,640,331.55

Finding the Fourth Proportional to 2,998,458.55, 4,137,970.62 and 1,640,331.55

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Solution

The fourth proportional to 2,998,458.55, 4,137,970.62 and 1,640,331.55 is: 2,263,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,458.55 : 4,137,970.62 = 1,640,331.55 : x
  2. Step 2: Convert to fraction form
    2,998,458.55/4,137,970.62 = 1,640,331.55/x
  3. Step 3: Cross multiply
    2,998,458.55x = 4,137,970.62 × 1,640,331.55
  4. Step 4: Simplify right side
    2,998,458.55x = 6,787,643,760,959.06
  5. Step 5: Solve for x
    x = 6,787,643,760,959.06/2,998,458.55
  6. Step 6: Final answer
    x = 2,263,711.05

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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.