Home / 1,996,147.58-2,995,079.31-648,723.21

Finding the Fourth Proportional to 1,996,147.58, 2,995,079.31 and 648,723.21

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Solution

The fourth proportional to 1,996,147.58, 2,995,079.31 and 648,723.21 is: 973,363.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996,147.58 : 2,995,079.31 = 648,723.21 : x
  2. Step 2: Convert to fraction form
    1,996,147.58/2,995,079.31 = 648,723.21/x
  3. Step 3: Cross multiply
    1,996,147.58x = 2,995,079.31 × 648,723.21
  4. Step 4: Simplify right side
    1,996,147.58x = 1,942,977,464,187.79
  5. Step 5: Solve for x
    x = 1,942,977,464,187.79/1,996,147.58
  6. Step 6: Final answer
    x = 973,363.64

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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.