Home / 2,847,736-3,928,898.52-1,623,158.20

Finding the Fourth Proportional to 2,847,736, 3,928,898.52 and 1,623,158.20

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Solution

The fourth proportional to 2,847,736, 3,928,898.52 and 1,623,158.20 is: 2,239,401.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,736 : 3,928,898.52 = 1,623,158.20 : x
  2. Step 2: Convert to fraction form
    2,847,736/3,928,898.52 = 1,623,158.20/x
  3. Step 3: Cross multiply
    2,847,736x = 3,928,898.52 × 1,623,158.20
  4. Step 4: Simplify right side
    2,847,736x = 6,377,223,849,705.86
  5. Step 5: Solve for x
    x = 6,377,223,849,705.86/2,847,736
  6. Step 6: Final answer
    x = 2,239,401.35

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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.