Home / 5,189,842.09-7,161,953.56-2,866,894.41

Finding the Fourth Proportional to 5,189,842.09, 7,161,953.56 and 2,866,894.41

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Solution

The fourth proportional to 5,189,842.09, 7,161,953.56 and 2,866,894.41 is: 3,956,298.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,842.09 : 7,161,953.56 = 2,866,894.41 : x
  2. Step 2: Convert to fraction form
    5,189,842.09/7,161,953.56 = 2,866,894.41/x
  3. Step 3: Cross multiply
    5,189,842.09x = 7,161,953.56 × 2,866,894.41
  4. Step 4: Simplify right side
    5,189,842.09x = 20,532,564,615,326.55
  5. Step 5: Solve for x
    x = 20,532,564,615,326.55/5,189,842.09
  6. Step 6: Final answer
    x = 3,956,298.53

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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.