Home / 1,993,199.24-2,990,275.14-645,363.30

Finding the Fourth Proportional to 1,993,199.24, 2,990,275.14 and 645,363.30

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Solution

The fourth proportional to 1,993,199.24, 2,990,275.14 and 645,363.30 is: 968,199.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,199.24 : 2,990,275.14 = 645,363.30 : x
  2. Step 2: Convert to fraction form
    1,993,199.24/2,990,275.14 = 645,363.30/x
  3. Step 3: Cross multiply
    1,993,199.24x = 2,990,275.14 × 645,363.30
  4. Step 4: Simplify right side
    1,993,199.24x = 1,929,813,832,258.36
  5. Step 5: Solve for x
    x = 1,929,813,832,258.36/1,993,199.24
  6. Step 6: Final answer
    x = 968,199.16

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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.