Home / 3,102,128.14-4,280,936.82-1,814,050.72

Finding the Fourth Proportional to 3,102,128.14, 4,280,936.82 and 1,814,050.72

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Solution

The fourth proportional to 3,102,128.14, 4,280,936.82 and 1,814,050.72 is: 2,503,389.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102,128.14 : 4,280,936.82 = 1,814,050.72 : x
  2. Step 2: Convert to fraction form
    3,102,128.14/4,280,936.82 = 1,814,050.72/x
  3. Step 3: Cross multiply
    3,102,128.14x = 4,280,936.82 × 1,814,050.72
  4. Step 4: Simplify right side
    3,102,128.14x = 7,765,836,520,595.51
  5. Step 5: Solve for x
    x = 7,765,836,520,595.51/3,102,128.14
  6. Step 6: Final answer
    x = 2,503,389.99

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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.