Home / 1,936,289.88-2,669,278.82-1,281,819.24

Finding the Fourth Proportional to 1,936,289.88, 2,669,278.82 and 1,281,819.24

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Solution

The fourth proportional to 1,936,289.88, 2,669,278.82 and 1,281,819.24 is: 1,767,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,289.88 : 2,669,278.82 = 1,281,819.24 : x
  2. Step 2: Convert to fraction form
    1,936,289.88/2,669,278.82 = 1,281,819.24/x
  3. Step 3: Cross multiply
    1,936,289.88x = 2,669,278.82 × 1,281,819.24
  4. Step 4: Simplify right side
    1,936,289.88x = 3,421,532,948,400.50
  5. Step 5: Solve for x
    x = 3,421,532,948,400.50/1,936,289.88
  6. Step 6: Final answer
    x = 1,767,056.15

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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.