Home / 1,993,008.80-2,989,950.60-645,233.60

Finding the Fourth Proportional to 1,993,008.80, 2,989,950.60 and 645,233.60

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Solution

The fourth proportional to 1,993,008.80, 2,989,950.60 and 645,233.60 is: 967,992.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,008.80 : 2,989,950.60 = 645,233.60 : x
  2. Step 2: Convert to fraction form
    1,993,008.80/2,989,950.60 = 645,233.60/x
  3. Step 3: Cross multiply
    1,993,008.80x = 2,989,950.60 × 645,233.60
  4. Step 4: Simplify right side
    1,993,008.80x = 1,929,216,589,460.16
  5. Step 5: Solve for x
    x = 1,929,216,589,460.16/1,993,008.80
  6. Step 6: Final answer
    x = 967,992.01

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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.