Home / 2,867,800.32-3,957,653.66-1,561,139.37

Finding the Fourth Proportional to 2,867,800.32, 3,957,653.66 and 1,561,139.37

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Solution

The fourth proportional to 2,867,800.32, 3,957,653.66 and 1,561,139.37 is: 2,154,420.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867,800.32 : 3,957,653.66 = 1,561,139.37 : x
  2. Step 2: Convert to fraction form
    2,867,800.32/3,957,653.66 = 1,561,139.37/x
  3. Step 3: Cross multiply
    2,867,800.32x = 3,957,653.66 × 1,561,139.37
  4. Step 4: Simplify right side
    2,867,800.32x = 6,178,448,933,644.90
  5. Step 5: Solve for x
    x = 6,178,448,933,644.90/2,867,800.32
  6. Step 6: Final answer
    x = 2,154,420.90

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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.