Home / 6,309,172.02-8,706,661.47-3,408,561.21

Finding the Fourth Proportional to 6,309,172.02, 8,706,661.47 and 3,408,561.21

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Solution

The fourth proportional to 6,309,172.02, 8,706,661.47 and 3,408,561.21 is: 4,703,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309,172.02 : 8,706,661.47 = 3,408,561.21 : x
  2. Step 2: Convert to fraction form
    6,309,172.02/8,706,661.47 = 3,408,561.21/x
  3. Step 3: Cross multiply
    6,309,172.02x = 8,706,661.47 × 3,408,561.21
  4. Step 4: Simplify right side
    6,309,172.02x = 29,677,188,555,243.58
  5. Step 5: Solve for x
    x = 29,677,188,555,243.58/6,309,172.02
  6. Step 6: Final answer
    x = 4,703,816.68

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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.