Home / 2,255,290.56-3,109,290.13-1,791,682.78

Finding the Fourth Proportional to 2,255,290.56, 3,109,290.13 and 1,791,682.78

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Solution

The fourth proportional to 2,255,290.56, 3,109,290.13 and 1,791,682.78 is: 2,470,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,290.56 : 3,109,290.13 = 1,791,682.78 : x
  2. Step 2: Convert to fraction form
    2,255,290.56/3,109,290.13 = 1,791,682.78/x
  3. Step 3: Cross multiply
    2,255,290.56x = 3,109,290.13 × 1,791,682.78
  4. Step 4: Simplify right side
    2,255,290.56x = 5,570,861,583,944.96
  5. Step 5: Solve for x
    x = 5,570,861,583,944.96/2,255,290.56
  6. Step 6: Final answer
    x = 2,470,130.32

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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.