Home / 2,998,617.21-4,138,092.22-1,621,960.32

Finding the Fourth Proportional to 2,998,617.21, 4,138,092.22 and 1,621,960.32

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Solution

The fourth proportional to 2,998,617.21, 4,138,092.22 and 1,621,960.32 is: 2,238,305.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,617.21 : 4,138,092.22 = 1,621,960.32 : x
  2. Step 2: Convert to fraction form
    2,998,617.21/4,138,092.22 = 1,621,960.32/x
  3. Step 3: Cross multiply
    2,998,617.21x = 4,138,092.22 × 1,621,960.32
  4. Step 4: Simplify right side
    2,998,617.21x = 6,711,821,360,088.72
  5. Step 5: Solve for x
    x = 6,711,821,360,088.72/2,998,617.21
  6. Step 6: Final answer
    x = 2,238,305.49

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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.