Home / 5,186,973.79-7,780,834.36-1,992,099.97

Finding the Fourth Proportional to 5,186,973.79, 7,780,834.36 and 1,992,099.97

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Solution

The fourth proportional to 5,186,973.79, 7,780,834.36 and 1,992,099.97 is: 2,988,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,973.79 : 7,780,834.36 = 1,992,099.97 : x
  2. Step 2: Convert to fraction form
    5,186,973.79/7,780,834.36 = 1,992,099.97/x
  3. Step 3: Cross multiply
    5,186,973.79x = 7,780,834.36 × 1,992,099.97
  4. Step 4: Simplify right side
    5,186,973.79x = 15,500,199,907,347.14
  5. Step 5: Solve for x
    x = 15,500,199,907,347.14/5,186,973.79
  6. Step 6: Final answer
    x = 2,988,293.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.