Home / 2,230,455.56-3,078,041.46-1,211,868.68

Finding the Fourth Proportional to 2,230,455.56, 3,078,041.46 and 1,211,868.68

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Solution

The fourth proportional to 2,230,455.56, 3,078,041.46 and 1,211,868.68 is: 1,672,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,455.56 : 3,078,041.46 = 1,211,868.68 : x
  2. Step 2: Convert to fraction form
    2,230,455.56/3,078,041.46 = 1,211,868.68/x
  3. Step 3: Cross multiply
    2,230,455.56x = 3,078,041.46 × 1,211,868.68
  4. Step 4: Simplify right side
    2,230,455.56x = 3,730,182,041,115.47
  5. Step 5: Solve for x
    x = 3,730,182,041,115.47/2,230,455.56
  6. Step 6: Final answer
    x = 1,672,385.73

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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.