Home / 5,186,973.03-7,780,833.22-1,992,099.21

Finding the Fourth Proportional to 5,186,973.03, 7,780,833.22 and 1,992,099.21

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Solution

The fourth proportional to 5,186,973.03, 7,780,833.22 and 1,992,099.21 is: 2,988,292.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,973.03 : 7,780,833.22 = 1,992,099.21 : x
  2. Step 2: Convert to fraction form
    5,186,973.03/7,780,833.22 = 1,992,099.21/x
  3. Step 3: Cross multiply
    5,186,973.03x = 7,780,833.22 × 1,992,099.21
  4. Step 4: Simplify right side
    5,186,973.03x = 15,500,191,710,703.76
  5. Step 5: Solve for x
    x = 15,500,191,710,703.76/5,186,973.03
  6. Step 6: Final answer
    x = 2,988,292.33

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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.