Home / 6,778,921.18-10,167,067.14-1,921,185.94

Finding the Fourth Proportional to 6,778,921.18, 10,167,067.14 and 1,921,185.94

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Solution

The fourth proportional to 6,778,921.18, 10,167,067.14 and 1,921,185.94 is: 2,881,406.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778,921.18 : 10,167,067.14 = 1,921,185.94 : x
  2. Step 2: Convert to fraction form
    6,778,921.18/10,167,067.14 = 1,921,185.94/x
  3. Step 3: Cross multiply
    6,778,921.18x = 10,167,067.14 × 1,921,185.94
  4. Step 4: Simplify right side
    6,778,921.18x = 19,532,826,440,404.01
  5. Step 5: Solve for x
    x = 19,532,826,440,404.01/6,778,921.18
  6. Step 6: Final answer
    x = 2,881,406.34

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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.