Home / 5,129,721.39-7,079,223.93-2,837,842.59

Finding the Fourth Proportional to 5,129,721.39, 7,079,223.93 and 2,837,842.59

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Solution

The fourth proportional to 5,129,721.39, 7,079,223.93 and 2,837,842.59 is: 3,916,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129,721.39 : 7,079,223.93 = 2,837,842.59 : x
  2. Step 2: Convert to fraction form
    5,129,721.39/7,079,223.93 = 2,837,842.59/x
  3. Step 3: Cross multiply
    5,129,721.39x = 7,079,223.93 × 2,837,842.59
  4. Step 4: Simplify right side
    5,129,721.39x = 20,089,723,172,701.18
  5. Step 5: Solve for x
    x = 20,089,723,172,701.18/5,129,721.39
  6. Step 6: Final answer
    x = 3,916,338.07

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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.