Home / 1,811,045.97-2,716,651.35-1,280,933.37

Finding the Fourth Proportional to 1,811,045.97, 2,716,651.35 and 1,280,933.37

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Solution

The fourth proportional to 1,811,045.97, 2,716,651.35 and 1,280,933.37 is: 1,921,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811,045.97 : 2,716,651.35 = 1,280,933.37 : x
  2. Step 2: Convert to fraction form
    1,811,045.97/2,716,651.35 = 1,280,933.37/x
  3. Step 3: Cross multiply
    1,811,045.97x = 2,716,651.35 × 1,280,933.37
  4. Step 4: Simplify right side
    1,811,045.97x = 3,479,849,368,870.55
  5. Step 5: Solve for x
    x = 3,479,849,368,870.55/1,811,045.97
  6. Step 6: Final answer
    x = 1,921,458.33

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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.