Home / 1,819,763.71-2,511,186.27-992,788.03

Finding the Fourth Proportional to 1,819,763.71, 2,511,186.27 and 992,788.03

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Solution

The fourth proportional to 1,819,763.71, 2,511,186.27 and 992,788.03 is: 1,369,999.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,763.71 : 2,511,186.27 = 992,788.03 : x
  2. Step 2: Convert to fraction form
    1,819,763.71/2,511,186.27 = 992,788.03/x
  3. Step 3: Cross multiply
    1,819,763.71x = 2,511,186.27 × 992,788.03
  4. Step 4: Simplify right side
    1,819,763.71x = 2,493,075,669,956.35
  5. Step 5: Solve for x
    x = 2,493,075,669,956.35/1,819,763.71
  6. Step 6: Final answer
    x = 1,369,999.66

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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.