Home / 3,621,496.24-4,997,640.90-1,989,921.34

Finding the Fourth Proportional to 3,621,496.24, 4,997,640.90 and 1,989,921.34

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Solution

The fourth proportional to 3,621,496.24, 4,997,640.90 and 1,989,921.34 is: 2,746,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,496.24 : 4,997,640.90 = 1,989,921.34 : x
  2. Step 2: Convert to fraction form
    3,621,496.24/4,997,640.90 = 1,989,921.34/x
  3. Step 3: Cross multiply
    3,621,496.24x = 4,997,640.90 × 1,989,921.34
  4. Step 4: Simplify right side
    3,621,496.24x = 9,944,912,276,566.81
  5. Step 5: Solve for x
    x = 9,944,912,276,566.81/3,621,496.24
  6. Step 6: Final answer
    x = 2,746,078.31

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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.