Home / 1,938,212.60-2,674,758.85-1,067,148.68

Finding the Fourth Proportional to 1,938,212.60, 2,674,758.85 and 1,067,148.68

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Solution

The fourth proportional to 1,938,212.60, 2,674,758.85 and 1,067,148.68 is: 1,472,679.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,212.60 : 2,674,758.85 = 1,067,148.68 : x
  2. Step 2: Convert to fraction form
    1,938,212.60/2,674,758.85 = 1,067,148.68/x
  3. Step 3: Cross multiply
    1,938,212.60x = 2,674,758.85 × 1,067,148.68
  4. Step 4: Simplify right side
    1,938,212.60x = 2,854,365,360,054.15
  5. Step 5: Solve for x
    x = 2,854,365,360,054.15/1,938,212.60
  6. Step 6: Final answer
    x = 1,472,679.19

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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.