Home / 3,420,641.46-4,719,735.42-2,043,778.32

Finding the Fourth Proportional to 3,420,641.46, 4,719,735.42 and 2,043,778.32

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Solution

The fourth proportional to 3,420,641.46, 4,719,735.42 and 2,043,778.32 is: 2,819,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,641.46 : 4,719,735.42 = 2,043,778.32 : x
  2. Step 2: Convert to fraction form
    3,420,641.46/4,719,735.42 = 2,043,778.32/x
  3. Step 3: Cross multiply
    3,420,641.46x = 4,719,735.42 × 2,043,778.32
  4. Step 4: Simplify right side
    3,420,641.46x = 9,646,092,927,532.09
  5. Step 5: Solve for x
    x = 9,646,092,927,532.09/3,420,641.46
  6. Step 6: Final answer
    x = 2,819,966.09

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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.