Home / 5,110,030.67-7,051,849.31-2,786,928.80

Finding the Fourth Proportional to 5,110,030.67, 7,051,849.31 and 2,786,928.80

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Solution

The fourth proportional to 5,110,030.67, 7,051,849.31 and 2,786,928.80 is: 3,845,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,110,030.67 : 7,051,849.31 = 2,786,928.80 : x
  2. Step 2: Convert to fraction form
    5,110,030.67/7,051,849.31 = 2,786,928.80/x
  3. Step 3: Cross multiply
    5,110,030.67x = 7,051,849.31 × 2,786,928.80
  4. Step 4: Simplify right side
    5,110,030.67x = 19,653,001,907,007.20
  5. Step 5: Solve for x
    x = 19,653,001,907,007.20/5,110,030.67
  6. Step 6: Final answer
    x = 3,845,965.55

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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.