Home / 1,618,942.12-2,428,530.66-621,670.12

Finding the Fourth Proportional to 1,618,942.12, 2,428,530.66 and 621,670.12

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Solution

The fourth proportional to 1,618,942.12, 2,428,530.66 and 621,670.12 is: 932,550.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,942.12 : 2,428,530.66 = 621,670.12 : x
  2. Step 2: Convert to fraction form
    1,618,942.12/2,428,530.66 = 621,670.12/x
  3. Step 3: Cross multiply
    1,618,942.12x = 2,428,530.66 × 621,670.12
  4. Step 4: Simplify right side
    1,618,942.12x = 1,509,744,946,825.88
  5. Step 5: Solve for x
    x = 1,509,744,946,825.88/1,618,942.12
  6. Step 6: Final answer
    x = 932,550.29

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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.