Home / 1,669,954.46-2,502,068.64-1,121,819.59

Finding the Fourth Proportional to 1,669,954.46, 2,502,068.64 and 1,121,819.59

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Solution

The fourth proportional to 1,669,954.46, 2,502,068.64 and 1,121,819.59 is: 1,680,806.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,954.46 : 2,502,068.64 = 1,121,819.59 : x
  2. Step 2: Convert to fraction form
    1,669,954.46/2,502,068.64 = 1,121,819.59/x
  3. Step 3: Cross multiply
    1,669,954.46x = 2,502,068.64 × 1,121,819.59
  4. Step 4: Simplify right side
    1,669,954.46x = 2,806,869,614,797.42
  5. Step 5: Solve for x
    x = 2,806,869,614,797.42/1,669,954.46
  6. Step 6: Final answer
    x = 1,680,806.09

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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.