Home / 1,886,713.12-2,828,396.88-1,352,890.72

Finding the Fourth Proportional to 1,886,713.12, 2,828,396.88 and 1,352,890.72

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Solution

The fourth proportional to 1,886,713.12, 2,828,396.88 and 1,352,890.72 is: 2,028,136.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886,713.12 : 2,828,396.88 = 1,352,890.72 : x
  2. Step 2: Convert to fraction form
    1,886,713.12/2,828,396.88 = 1,352,890.72/x
  3. Step 3: Cross multiply
    1,886,713.12x = 2,828,396.88 × 1,352,890.72
  4. Step 4: Simplify right side
    1,886,713.12x = 3,826,511,891,428.95
  5. Step 5: Solve for x
    x = 3,826,511,891,428.95/1,886,713.12
  6. Step 6: Final answer
    x = 2,028,136.58

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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.