Home / 1,993,201.24-2,990,278.14-645,365.30

Finding the Fourth Proportional to 1,993,201.24, 2,990,278.14 and 645,365.30

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Solution

The fourth proportional to 1,993,201.24, 2,990,278.14 and 645,365.30 is: 968,202.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,201.24 : 2,990,278.14 = 645,365.30 : x
  2. Step 2: Convert to fraction form
    1,993,201.24/2,990,278.14 = 645,365.30/x
  3. Step 3: Cross multiply
    1,993,201.24x = 2,990,278.14 × 645,365.30
  4. Step 4: Simplify right side
    1,993,201.24x = 1,929,821,748,904.54
  5. Step 5: Solve for x
    x = 1,929,821,748,904.54/1,993,201.24
  6. Step 6: Final answer
    x = 968,202.16

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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.