Home / 2,214,221.40-3,321,332.10-1,678,843.80

Finding the Fourth Proportional to 2,214,221.40, 3,321,332.10 and 1,678,843.80

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Solution

The fourth proportional to 2,214,221.40, 3,321,332.10 and 1,678,843.80 is: 2,518,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,221.40 : 3,321,332.10 = 1,678,843.80 : x
  2. Step 2: Convert to fraction form
    2,214,221.40/3,321,332.10 = 1,678,843.80/x
  3. Step 3: Cross multiply
    2,214,221.40x = 3,321,332.10 × 1,678,843.80
  4. Step 4: Simplify right side
    2,214,221.40x = 5,575,997,803,825.98
  5. Step 5: Solve for x
    x = 5,575,997,803,825.98/2,214,221.40
  6. Step 6: Final answer
    x = 2,518,265.70

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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.