Home / 1,819,776.56-2,511,274.32-1,003,986.80

Finding the Fourth Proportional to 1,819,776.56, 2,511,274.32 and 1,003,986.80

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Solution

The fourth proportional to 1,819,776.56, 2,511,274.32 and 1,003,986.80 is: 1,385,492.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,819,776.56 : 2,511,274.32 = 1,003,986.80 : x
  2. Step 2: Convert to fraction form
    1,819,776.56/2,511,274.32 = 1,003,986.80/x
  3. Step 3: Cross multiply
    1,819,776.56x = 2,511,274.32 × 1,003,986.80
  4. Step 4: Simplify right side
    1,819,776.56x = 2,521,286,268,458.98
  5. Step 5: Solve for x
    x = 2,521,286,268,458.98/1,819,776.56
  6. Step 6: Final answer
    x = 1,385,492.22

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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.