Home / 1,993,675.80-2,990,951.10-983,281.80

Finding the Fourth Proportional to 1,993,675.80, 2,990,951.10 and 983,281.80

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Solution

The fourth proportional to 1,993,675.80, 2,990,951.10 and 983,281.80 is: 1,475,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,675.80 : 2,990,951.10 = 983,281.80 : x
  2. Step 2: Convert to fraction form
    1,993,675.80/2,990,951.10 = 983,281.80/x
  3. Step 3: Cross multiply
    1,993,675.80x = 2,990,951.10 × 983,281.80
  4. Step 4: Simplify right side
    1,993,675.80x = 2,940,947,781,319.98
  5. Step 5: Solve for x
    x = 2,940,947,781,319.98/1,993,675.80
  6. Step 6: Final answer
    x = 1,475,138.43

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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.