Home / 2,214,266.90-3,321,400.35-1,678,889.30

Finding the Fourth Proportional to 2,214,266.90, 3,321,400.35 and 1,678,889.30

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Solution

The fourth proportional to 2,214,266.90, 3,321,400.35 and 1,678,889.30 is: 2,518,333.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214,266.90 : 3,321,400.35 = 1,678,889.30 : x
  2. Step 2: Convert to fraction form
    2,214,266.90/3,321,400.35 = 1,678,889.30/x
  3. Step 3: Cross multiply
    2,214,266.90x = 3,321,400.35 × 1,678,889.30
  4. Step 4: Simplify right side
    2,214,266.90x = 5,576,263,508,631.26
  5. Step 5: Solve for x
    x = 5,576,263,508,631.26/2,214,266.90
  6. Step 6: Final answer
    x = 2,518,333.95

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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.