Home / 1,993,814.10-2,990,721.15-928,963.80

Finding the Fourth Proportional to 1,993,814.10, 2,990,721.15 and 928,963.80

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Solution

The fourth proportional to 1,993,814.10, 2,990,721.15 and 928,963.80 is: 1,393,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,814.10 : 2,990,721.15 = 928,963.80 : x
  2. Step 2: Convert to fraction form
    1,993,814.10/2,990,721.15 = 928,963.80/x
  3. Step 3: Cross multiply
    1,993,814.10x = 2,990,721.15 × 928,963.80
  4. Step 4: Simplify right side
    1,993,814.10x = 2,778,271,684,244.37
  5. Step 5: Solve for x
    x = 2,778,271,684,244.37/1,993,814.10
  6. Step 6: Final answer
    x = 1,393,445.70

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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.