Home / 1,876,367.21-2,588,018.36-1,188,151.11

Finding the Fourth Proportional to 1,876,367.21, 2,588,018.36 and 1,188,151.11

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Solution

The fourth proportional to 1,876,367.21, 2,588,018.36 and 1,188,151.11 is: 1,638,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,367.21 : 2,588,018.36 = 1,188,151.11 : x
  2. Step 2: Convert to fraction form
    1,876,367.21/2,588,018.36 = 1,188,151.11/x
  3. Step 3: Cross multiply
    1,876,367.21x = 2,588,018.36 × 1,188,151.11
  4. Step 4: Simplify right side
    1,876,367.21x = 3,074,956,881,193.62
  5. Step 5: Solve for x
    x = 3,074,956,881,193.62/1,876,367.21
  6. Step 6: Final answer
    x = 1,638,782.04

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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.