Home / 3,115,316.50-4,299,136.77-1,684,532.50

Finding the Fourth Proportional to 3,115,316.50, 4,299,136.77 and 1,684,532.50

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Solution

The fourth proportional to 3,115,316.50, 4,299,136.77 and 1,684,532.50 is: 2,324,654.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115,316.50 : 4,299,136.77 = 1,684,532.50 : x
  2. Step 2: Convert to fraction form
    3,115,316.50/4,299,136.77 = 1,684,532.50/x
  3. Step 3: Cross multiply
    3,115,316.50x = 4,299,136.77 × 1,684,532.50
  4. Step 4: Simplify right side
    3,115,316.50x = 7,242,035,611,010.03
  5. Step 5: Solve for x
    x = 7,242,035,611,010.03/3,115,316.50
  6. Step 6: Final answer
    x = 2,324,654.85

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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.