Home / 5,406,936.60-8,103,843.90-3,128,082.60

Finding the Fourth Proportional to 5,406,936.60, 8,103,843.90 and 3,128,082.60

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Solution

The fourth proportional to 5,406,936.60, 8,103,843.90 and 3,128,082.60 is: 4,688,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406,936.60 : 8,103,843.90 = 3,128,082.60 : x
  2. Step 2: Convert to fraction form
    5,406,936.60/8,103,843.90 = 3,128,082.60/x
  3. Step 3: Cross multiply
    5,406,936.60x = 8,103,843.90 × 3,128,082.60
  4. Step 4: Simplify right side
    5,406,936.60x = 25,349,493,096,706.14
  5. Step 5: Solve for x
    x = 25,349,493,096,706.14/5,406,936.60
  6. Step 6: Final answer
    x = 4,688,328.16

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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.