Home / 3,128,339.70-4,694,284.67-1,689,003.92

Finding the Fourth Proportional to 3,128,339.70, 4,694,284.67 and 1,689,003.92

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Solution

The fourth proportional to 3,128,339.70, 4,694,284.67 and 1,689,003.92 is: 2,534,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,339.70 : 4,694,284.67 = 1,689,003.92 : x
  2. Step 2: Convert to fraction form
    3,128,339.70/4,694,284.67 = 1,689,003.92/x
  3. Step 3: Cross multiply
    3,128,339.70x = 4,694,284.67 × 1,689,003.92
  4. Step 4: Simplify right side
    3,128,339.70x = 7,928,665,209,225.91
  5. Step 5: Solve for x
    x = 7,928,665,209,225.91/3,128,339.70
  6. Step 6: Final answer
    x = 2,534,464.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.