Home / 1,993,415.80-2,990,561.10-983,021.80

Finding the Fourth Proportional to 1,993,415.80, 2,990,561.10 and 983,021.80

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Solution

The fourth proportional to 1,993,415.80, 2,990,561.10 and 983,021.80 is: 1,474,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,415.80 : 2,990,561.10 = 983,021.80 : x
  2. Step 2: Convert to fraction form
    1,993,415.80/2,990,561.10 = 983,021.80/x
  3. Step 3: Cross multiply
    1,993,415.80x = 2,990,561.10 × 983,021.80
  4. Step 4: Simplify right side
    1,993,415.80x = 2,939,786,755,531.98
  5. Step 5: Solve for x
    x = 2,939,786,755,531.98/1,993,415.80
  6. Step 6: Final answer
    x = 1,474,748.40

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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.