Home / 1,939,989.29-2,906,990.47-1,228,522.65

Finding the Fourth Proportional to 1,939,989.29, 2,906,990.47 and 1,228,522.65

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Solution

The fourth proportional to 1,939,989.29, 2,906,990.47 and 1,228,522.65 is: 1,840,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,989.29 : 2,906,990.47 = 1,228,522.65 : x
  2. Step 2: Convert to fraction form
    1,939,989.29/2,906,990.47 = 1,228,522.65/x
  3. Step 3: Cross multiply
    1,939,989.29x = 2,906,990.47 × 1,228,522.65
  4. Step 4: Simplify right side
    1,939,989.29x = 3,571,303,626,363.58
  5. Step 5: Solve for x
    x = 3,571,303,626,363.58/1,939,989.29
  6. Step 6: Final answer
    x = 1,840,888.33

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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.