Home / 2,255,836.56-3,113,078.52-1,223,346.24

Finding the Fourth Proportional to 2,255,836.56, 3,113,078.52 and 1,223,346.24

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Solution

The fourth proportional to 2,255,836.56, 3,113,078.52 and 1,223,346.24 is: 1,688,230.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255,836.56 : 3,113,078.52 = 1,223,346.24 : x
  2. Step 2: Convert to fraction form
    2,255,836.56/3,113,078.52 = 1,223,346.24/x
  3. Step 3: Cross multiply
    2,255,836.56x = 3,113,078.52 × 1,223,346.24
  4. Step 4: Simplify right side
    2,255,836.56x = 3,808,372,902,266.76
  5. Step 5: Solve for x
    x = 3,808,372,902,266.76/2,255,836.56
  6. Step 6: Final answer
    x = 1,688,230.86

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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.