Home / 2,207,621.76-3,048,831-1,521,078.72

Finding the Fourth Proportional to 2,207,621.76, 3,048,831 and 1,521,078.72

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Solution

The fourth proportional to 2,207,621.76, 3,048,831 and 1,521,078.72 is: 2,100,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,621.76 : 3,048,831 = 1,521,078.72 : x
  2. Step 2: Convert to fraction form
    2,207,621.76/3,048,831 = 1,521,078.72/x
  3. Step 3: Cross multiply
    2,207,621.76x = 3,048,831 × 1,521,078.72
  4. Step 4: Simplify right side
    2,207,621.76x = 4,637,511,954,976.32
  5. Step 5: Solve for x
    x = 4,637,511,954,976.32/2,207,621.76
  6. Step 6: Final answer
    x = 2,100,682.30

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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.