Home / 2,891,874.78-3,990,787.57-1,602,798.39

Finding the Fourth Proportional to 2,891,874.78, 3,990,787.57 and 1,602,798.39

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Solution

The fourth proportional to 2,891,874.78, 3,990,787.57 and 1,602,798.39 is: 2,211,861.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891,874.78 : 3,990,787.57 = 1,602,798.39 : x
  2. Step 2: Convert to fraction form
    2,891,874.78/3,990,787.57 = 1,602,798.39/x
  3. Step 3: Cross multiply
    2,891,874.78x = 3,990,787.57 × 1,602,798.39
  4. Step 4: Simplify right side
    2,891,874.78x = 6,396,427,872,074.07
  5. Step 5: Solve for x
    x = 6,396,427,872,074.07/2,891,874.78
  6. Step 6: Final answer
    x = 2,211,861.98

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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.