Home / 3,057,775.05-4,219,732.17-1,681,142.10

Finding the Fourth Proportional to 3,057,775.05, 4,219,732.17 and 1,681,142.10

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Solution

The fourth proportional to 3,057,775.05, 4,219,732.17 and 1,681,142.10 is: 2,319,977.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057,775.05 : 4,219,732.17 = 1,681,142.10 : x
  2. Step 2: Convert to fraction form
    3,057,775.05/4,219,732.17 = 1,681,142.10/x
  3. Step 3: Cross multiply
    3,057,775.05x = 4,219,732.17 × 1,681,142.10
  4. Step 4: Simplify right side
    3,057,775.05x = 7,093,969,401,711.36
  5. Step 5: Solve for x
    x = 7,093,969,401,711.36/3,057,775.05
  6. Step 6: Final answer
    x = 2,319,977.53

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1.5x scale

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.