Home / 2,287,229-3,430,152.30-689,658.44

Finding the Fourth Proportional to 2,287,229, 3,430,152.30 and 689,658.44

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Solution

The fourth proportional to 2,287,229, 3,430,152.30 and 689,658.44 is: 1,034,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287,229 : 3,430,152.30 = 689,658.44 : x
  2. Step 2: Convert to fraction form
    2,287,229/3,430,152.30 = 689,658.44/x
  3. Step 3: Cross multiply
    2,287,229x = 3,430,152.30 × 689,658.44
  4. Step 4: Simplify right side
    2,287,229x = 2,365,633,484,180.41
  5. Step 5: Solve for x
    x = 2,365,633,484,180.41/2,287,229
  6. Step 6: Final answer
    x = 1,034,279.25

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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.