Home / 2,990,755.68-4,127,313.60-1,632,638.40

Finding the Fourth Proportional to 2,990,755.68, 4,127,313.60 and 1,632,638.40

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Solution

The fourth proportional to 2,990,755.68, 4,127,313.60 and 1,632,638.40 is: 2,253,079.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990,755.68 : 4,127,313.60 = 1,632,638.40 : x
  2. Step 2: Convert to fraction form
    2,990,755.68/4,127,313.60 = 1,632,638.40/x
  3. Step 3: Cross multiply
    2,990,755.68x = 4,127,313.60 × 1,632,638.40
  4. Step 4: Simplify right side
    2,990,755.68x = 6,738,410,672,202.24
  5. Step 5: Solve for x
    x = 6,738,410,672,202.24/2,990,755.68
  6. Step 6: Final answer
    x = 2,253,079.62

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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.