Home / 3,621,638.91-4,997,845.31-1,990,041.53

Finding the Fourth Proportional to 3,621,638.91, 4,997,845.31 and 1,990,041.53

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Solution

The fourth proportional to 3,621,638.91, 4,997,845.31 and 1,990,041.53 is: 2,746,248.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621,638.91 : 4,997,845.31 = 1,990,041.53 : x
  2. Step 2: Convert to fraction form
    3,621,638.91/4,997,845.31 = 1,990,041.53/x
  3. Step 3: Cross multiply
    3,621,638.91x = 4,997,845.31 × 1,990,041.53
  4. Step 4: Simplify right side
    3,621,638.91x = 9,945,919,727,415.72
  5. Step 5: Solve for x
    x = 9,945,919,727,415.72/3,621,638.91
  6. Step 6: Final answer
    x = 2,746,248.31

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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.