Home / 6,257,740-8,635,681.20-3,396,172

Finding the Fourth Proportional to 6,257,740, 8,635,681.20 and 3,396,172

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Solution

The fourth proportional to 6,257,740, 8,635,681.20 and 3,396,172 is: 4,686,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257,740 : 8,635,681.20 = 3,396,172 : x
  2. Step 2: Convert to fraction form
    6,257,740/8,635,681.20 = 3,396,172/x
  3. Step 3: Cross multiply
    6,257,740x = 8,635,681.20 × 3,396,172
  4. Step 4: Simplify right side
    6,257,740x = 29,328,258,692,366.40
  5. Step 5: Solve for x
    x = 29,328,258,692,366.40/6,257,740
  6. Step 6: Final answer
    x = 4,686,717.36

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Why These Related Problems?

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