Home / 2,107,161.38-2,907,882.64-1,140,291.66

Finding the Fourth Proportional to 2,107,161.38, 2,907,882.64 and 1,140,291.66

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Solution

The fourth proportional to 2,107,161.38, 2,907,882.64 and 1,140,291.66 is: 1,573,602.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107,161.38 : 2,907,882.64 = 1,140,291.66 : x
  2. Step 2: Convert to fraction form
    2,107,161.38/2,907,882.64 = 1,140,291.66/x
  3. Step 3: Cross multiply
    2,107,161.38x = 2,907,882.64 × 1,140,291.66
  4. Step 4: Simplify right side
    2,107,161.38x = 3,315,834,322,650.78
  5. Step 5: Solve for x
    x = 3,315,834,322,650.78/2,107,161.38
  6. Step 6: Final answer
    x = 1,573,602.46

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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.