Home / 2,230,708.83-3,078,396.64-1,212,113.58

Finding the Fourth Proportional to 2,230,708.83, 3,078,396.64 and 1,212,113.58

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Solution

The fourth proportional to 2,230,708.83, 3,078,396.64 and 1,212,113.58 is: 1,672,726.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,708.83 : 3,078,396.64 = 1,212,113.58 : x
  2. Step 2: Convert to fraction form
    2,230,708.83/3,078,396.64 = 1,212,113.58/x
  3. Step 3: Cross multiply
    2,230,708.83x = 3,078,396.64 × 1,212,113.58
  4. Step 4: Simplify right side
    2,230,708.83x = 3,731,366,371,970.37
  5. Step 5: Solve for x
    x = 3,731,366,371,970.37/2,230,708.83
  6. Step 6: Final answer
    x = 1,672,726.77

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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.