Home / 2,890,638-4,356,273.12-2,602,801.80

Finding the Fourth Proportional to 2,890,638, 4,356,273.12 and 2,602,801.80

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Solution

The fourth proportional to 2,890,638, 4,356,273.12 and 2,602,801.80 is: 3,922,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,638 : 4,356,273.12 = 2,602,801.80 : x
  2. Step 2: Convert to fraction form
    2,890,638/4,356,273.12 = 2,602,801.80/x
  3. Step 3: Cross multiply
    2,890,638x = 4,356,273.12 × 2,602,801.80
  4. Step 4: Simplify right side
    2,890,638x = 11,338,515,518,027.62
  5. Step 5: Solve for x
    x = 11,338,515,518,027.62/2,890,638
  6. Step 6: Final answer
    x = 3,922,495.84

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.