Home / 3,788,526.21-5,679,246.38-1,391,727.30

Finding the Fourth Proportional to 3,788,526.21, 5,679,246.38 and 1,391,727.30

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Solution

The fourth proportional to 3,788,526.21, 5,679,246.38 and 1,391,727.30 is: 2,086,289.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788,526.21 : 5,679,246.38 = 1,391,727.30 : x
  2. Step 2: Convert to fraction form
    3,788,526.21/5,679,246.38 = 1,391,727.30/x
  3. Step 3: Cross multiply
    3,788,526.21x = 5,679,246.38 × 1,391,727.30
  4. Step 4: Simplify right side
    3,788,526.21x = 7,903,962,223,513.54
  5. Step 5: Solve for x
    x = 7,903,962,223,513.54/3,788,526.21
  6. Step 6: Final answer
    x = 2,086,289.44

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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.