Home / 2,021,172.80-3,030,742.24-672,854.49

Finding the Fourth Proportional to 2,021,172.80, 3,030,742.24 and 672,854.49

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Solution

The fourth proportional to 2,021,172.80, 3,030,742.24 and 672,854.49 is: 1,008,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,172.80 : 3,030,742.24 = 672,854.49 : x
  2. Step 2: Convert to fraction form
    2,021,172.80/3,030,742.24 = 672,854.49/x
  3. Step 3: Cross multiply
    2,021,172.80x = 3,030,742.24 × 672,854.49
  4. Step 4: Simplify right side
    2,021,172.80x = 2,039,248,522,534.52
  5. Step 5: Solve for x
    x = 2,039,248,522,534.52/2,021,172.80
  6. Step 6: Final answer
    x = 1,008,943.19

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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.