Home / 1,991,925.78-2,748,672.09-1,132,317.78

Finding the Fourth Proportional to 1,991,925.78, 2,748,672.09 and 1,132,317.78

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Solution

The fourth proportional to 1,991,925.78, 2,748,672.09 and 1,132,317.78 is: 1,562,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,925.78 : 2,748,672.09 = 1,132,317.78 : x
  2. Step 2: Convert to fraction form
    1,991,925.78/2,748,672.09 = 1,132,317.78/x
  3. Step 3: Cross multiply
    1,991,925.78x = 2,748,672.09 × 1,132,317.78
  4. Step 4: Simplify right side
    1,991,925.78x = 3,112,370,278,896.76
  5. Step 5: Solve for x
    x = 3,112,370,278,896.76/1,991,925.78
  6. Step 6: Final answer
    x = 1,562,493.10

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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.