Home / 2,205,347.20-3,308,020.80-1,645,475.20

Finding the Fourth Proportional to 2,205,347.20, 3,308,020.80 and 1,645,475.20

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Solution

The fourth proportional to 2,205,347.20, 3,308,020.80 and 1,645,475.20 is: 2,468,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,347.20 : 3,308,020.80 = 1,645,475.20 : x
  2. Step 2: Convert to fraction form
    2,205,347.20/3,308,020.80 = 1,645,475.20/x
  3. Step 3: Cross multiply
    2,205,347.20x = 3,308,020.80 × 1,645,475.20
  4. Step 4: Simplify right side
    2,205,347.20x = 5,443,266,187,484.16
  5. Step 5: Solve for x
    x = 5,443,266,187,484.16/2,205,347.20
  6. Step 6: Final answer
    x = 2,468,212.80

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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.