Home / 1,923,021.77-2,883,690.93-912,432.29

Finding the Fourth Proportional to 1,923,021.77, 2,883,690.93 and 912,432.29

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Solution

The fourth proportional to 1,923,021.77, 2,883,690.93 and 912,432.29 is: 1,368,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,923,021.77 : 2,883,690.93 = 912,432.29 : x
  2. Step 2: Convert to fraction form
    1,923,021.77/2,883,690.93 = 912,432.29/x
  3. Step 3: Cross multiply
    1,923,021.77x = 2,883,690.93 × 912,432.29
  4. Step 4: Simplify right side
    1,923,021.77x = 2,631,172,718,912.13
  5. Step 5: Solve for x
    x = 2,631,172,718,912.13/1,923,021.77
  6. Step 6: Final answer
    x = 1,368,249.05

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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.