Home / 1,899,914.65-2,621,886.20-1,028,758.84

Finding the Fourth Proportional to 1,899,914.65, 2,621,886.20 and 1,028,758.84

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Solution

The fourth proportional to 1,899,914.65, 2,621,886.20 and 1,028,758.84 is: 1,419,689.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,914.65 : 2,621,886.20 = 1,028,758.84 : x
  2. Step 2: Convert to fraction form
    1,899,914.65/2,621,886.20 = 1,028,758.84/x
  3. Step 3: Cross multiply
    1,899,914.65x = 2,621,886.20 × 1,028,758.84
  4. Step 4: Simplify right side
    1,899,914.65x = 2,697,288,597,883.34
  5. Step 5: Solve for x
    x = 2,697,288,597,883.34/1,899,914.65
  6. Step 6: Final answer
    x = 1,419,689.35

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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.