Home / 2,910,341.68-4,015,738.52-1,621,150

Finding the Fourth Proportional to 2,910,341.68, 4,015,738.52 and 1,621,150

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Solution

The fourth proportional to 2,910,341.68, 4,015,738.52 and 1,621,150 is: 2,236,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910,341.68 : 4,015,738.52 = 1,621,150 : x
  2. Step 2: Convert to fraction form
    2,910,341.68/4,015,738.52 = 1,621,150/x
  3. Step 3: Cross multiply
    2,910,341.68x = 4,015,738.52 × 1,621,150
  4. Step 4: Simplify right side
    2,910,341.68x = 6,510,114,501,698
  5. Step 5: Solve for x
    x = 6,510,114,501,698/2,910,341.68
  6. Step 6: Final answer
    x = 2,236,890.10

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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.