Home / 2,147,639.32-3,217,158.42-1,294,236.28

Finding the Fourth Proportional to 2,147,639.32, 3,217,158.42 and 1,294,236.28

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Solution

The fourth proportional to 2,147,639.32, 3,217,158.42 and 1,294,236.28 is: 1,938,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,639.32 : 3,217,158.42 = 1,294,236.28 : x
  2. Step 2: Convert to fraction form
    2,147,639.32/3,217,158.42 = 1,294,236.28/x
  3. Step 3: Cross multiply
    2,147,639.32x = 3,217,158.42 × 1,294,236.28
  4. Step 4: Simplify right side
    2,147,639.32x = 4,163,763,145,671.48
  5. Step 5: Solve for x
    x = 4,163,763,145,671.48/2,147,639.32
  6. Step 6: Final answer
    x = 1,938,762.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.