Home / 3,415,331.10-5,128,901.55-1,821,008.10

Finding the Fourth Proportional to 3,415,331.10, 5,128,901.55 and 1,821,008.10

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Solution

The fourth proportional to 3,415,331.10, 5,128,901.55 and 1,821,008.10 is: 2,734,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,331.10 : 5,128,901.55 = 1,821,008.10 : x
  2. Step 2: Convert to fraction form
    3,415,331.10/5,128,901.55 = 1,821,008.10/x
  3. Step 3: Cross multiply
    3,415,331.10x = 5,128,901.55 × 1,821,008.10
  4. Step 4: Simplify right side
    3,415,331.10x = 9,339,771,266,652.56
  5. Step 5: Solve for x
    x = 9,339,771,266,652.56/3,415,331.10
  6. Step 6: Final answer
    x = 2,734,660.56

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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.