Home / 1,819,720.26-2,511,222.28-1,003,923.61

Finding the Fourth Proportional to 1,819,720.26, 2,511,222.28 and 1,003,923.61

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Solution

The fourth proportional to 1,819,720.26, 2,511,222.28 and 1,003,923.61 is: 1,385,419.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,720.26 : 2,511,222.28 = 1,003,923.61 : x
  2. Step 2: Convert to fraction form
    1,819,720.26/2,511,222.28 = 1,003,923.61/x
  3. Step 3: Cross multiply
    1,819,720.26x = 2,511,222.28 × 1,003,923.61
  4. Step 4: Simplify right side
    1,819,720.26x = 2,521,075,328,062.17
  5. Step 5: Solve for x
    x = 2,521,075,328,062.17/1,819,720.26
  6. Step 6: Final answer
    x = 1,385,419.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.