Home / 2,687,875.84-4,029,786.52-1,622,664.72

Finding the Fourth Proportional to 2,687,875.84, 4,029,786.52 and 1,622,664.72

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Solution

The fourth proportional to 2,687,875.84, 4,029,786.52 and 1,622,664.72 is: 2,432,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687,875.84 : 4,029,786.52 = 1,622,664.72 : x
  2. Step 2: Convert to fraction form
    2,687,875.84/4,029,786.52 = 1,622,664.72/x
  3. Step 3: Cross multiply
    2,687,875.84x = 4,029,786.52 × 1,622,664.72
  4. Step 4: Simplify right side
    2,687,875.84x = 6,538,992,415,135.57
  5. Step 5: Solve for x
    x = 6,538,992,415,135.57/2,687,875.84
  6. Step 6: Final answer
    x = 2,432,773.24

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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.