Home / 2,927,785.89-4,040,470.81-1,621,037.96

Finding the Fourth Proportional to 2,927,785.89, 4,040,470.81 and 1,621,037.96

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Solution

The fourth proportional to 2,927,785.89, 4,040,470.81 and 1,621,037.96 is: 2,237,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,785.89 : 4,040,470.81 = 1,621,037.96 : x
  2. Step 2: Convert to fraction form
    2,927,785.89/4,040,470.81 = 1,621,037.96/x
  3. Step 3: Cross multiply
    2,927,785.89x = 4,040,470.81 × 1,621,037.96
  4. Step 4: Simplify right side
    2,927,785.89x = 6,549,756,556,257.66
  5. Step 5: Solve for x
    x = 6,549,756,556,257.66/2,927,785.89
  6. Step 6: Final answer
    x = 2,237,102.30

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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.