Home / 1,900,174.32-2,621,819.22-1,125,418.62

Finding the Fourth Proportional to 1,900,174.32, 2,621,819.22 and 1,125,418.62

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Solution

The fourth proportional to 1,900,174.32, 2,621,819.22 and 1,125,418.62 is: 1,552,828.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,174.32 : 2,621,819.22 = 1,125,418.62 : x
  2. Step 2: Convert to fraction form
    1,900,174.32/2,621,819.22 = 1,125,418.62/x
  3. Step 3: Cross multiply
    1,900,174.32x = 2,621,819.22 × 1,125,418.62
  4. Step 4: Simplify right side
    1,900,174.32x = 2,950,644,168,461.88
  5. Step 5: Solve for x
    x = 2,950,644,168,461.88/1,900,174.32
  6. Step 6: Final answer
    x = 1,552,828.15

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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.