Home / 2,230,750.47-3,078,455.01-1,212,155.22

Finding the Fourth Proportional to 2,230,750.47, 3,078,455.01 and 1,212,155.22

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Solution

The fourth proportional to 2,230,750.47, 3,078,455.01 and 1,212,155.22 is: 1,672,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,750.47 : 3,078,455.01 = 1,212,155.22 : x
  2. Step 2: Convert to fraction form
    2,230,750.47/3,078,455.01 = 1,212,155.22/x
  3. Step 3: Cross multiply
    2,230,750.47x = 3,078,455.01 × 1,212,155.22
  4. Step 4: Simplify right side
    2,230,750.47x = 3,731,565,309,906.65
  5. Step 5: Solve for x
    x = 3,731,565,309,906.65/2,230,750.47
  6. Step 6: Final answer
    x = 1,672,784.72

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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.