Home / 2,127,339.82-2,938,930.32-1,394,036.74

Finding the Fourth Proportional to 2,127,339.82, 2,938,930.32 and 1,394,036.74

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Solution

The fourth proportional to 2,127,339.82, 2,938,930.32 and 1,394,036.74 is: 1,925,868.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,127,339.82 : 2,938,930.32 = 1,394,036.74 : x
  2. Step 2: Convert to fraction form
    2,127,339.82/2,938,930.32 = 1,394,036.74/x
  3. Step 3: Cross multiply
    2,127,339.82x = 2,938,930.32 × 1,394,036.74
  4. Step 4: Simplify right side
    2,127,339.82x = 4,096,976,842,379.96
  5. Step 5: Solve for x
    x = 4,096,976,842,379.96/2,127,339.82
  6. Step 6: Final answer
    x = 1,925,868.54

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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.