Home / 5,756,433.78-7,943,890.68-3,178,119.54

Finding the Fourth Proportional to 5,756,433.78, 7,943,890.68 and 3,178,119.54

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Solution

The fourth proportional to 5,756,433.78, 7,943,890.68 and 3,178,119.54 is: 4,385,811.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,756,433.78 : 7,943,890.68 = 3,178,119.54 : x
  2. Step 2: Convert to fraction form
    5,756,433.78/7,943,890.68 = 3,178,119.54/x
  3. Step 3: Cross multiply
    5,756,433.78x = 7,943,890.68 × 3,178,119.54
  4. Step 4: Simplify right side
    5,756,433.78x = 25,246,634,193,731.89
  5. Step 5: Solve for x
    x = 25,246,634,193,731.89/5,756,433.78
  6. Step 6: Final answer
    x = 4,385,811.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.