Home / 4,154,406.40-6,231,148.80-3,405,145.60

Finding the Fourth Proportional to 4,154,406.40, 6,231,148.80 and 3,405,145.60

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Solution

The fourth proportional to 4,154,406.40, 6,231,148.80 and 3,405,145.60 is: 5,107,340.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154,406.40 : 6,231,148.80 = 3,405,145.60 : x
  2. Step 2: Convert to fraction form
    4,154,406.40/6,231,148.80 = 3,405,145.60/x
  3. Step 3: Cross multiply
    4,154,406.40x = 6,231,148.80 × 3,405,145.60
  4. Step 4: Simplify right side
    4,154,406.40x = 21,217,968,919,265.28
  5. Step 5: Solve for x
    x = 21,217,968,919,265.28/4,154,406.40
  6. Step 6: Final answer
    x = 5,107,340.71

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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.