Home / 1,993,325.10-2,989,987.65-928,474.80

Finding the Fourth Proportional to 1,993,325.10, 2,989,987.65 and 928,474.80

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Solution

The fourth proportional to 1,993,325.10, 2,989,987.65 and 928,474.80 is: 1,392,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,325.10 : 2,989,987.65 = 928,474.80 : x
  2. Step 2: Convert to fraction form
    1,993,325.10/2,989,987.65 = 928,474.80/x
  3. Step 3: Cross multiply
    1,993,325.10x = 2,989,987.65 × 928,474.80
  4. Step 4: Simplify right side
    1,993,325.10x = 2,776,128,185,336.22
  5. Step 5: Solve for x
    x = 2,776,128,185,336.22/1,993,325.10
  6. Step 6: Final answer
    x = 1,392,712.20

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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.