Home / 2,205,115.40-3,308,594.70-709,665.80

Finding the Fourth Proportional to 2,205,115.40, 3,308,594.70 and 709,665.80

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Solution

The fourth proportional to 2,205,115.40, 3,308,594.70 and 709,665.80 is: 1,064,795.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,115.40 : 3,308,594.70 = 709,665.80 : x
  2. Step 2: Convert to fraction form
    2,205,115.40/3,308,594.70 = 709,665.80/x
  3. Step 3: Cross multiply
    2,205,115.40x = 3,308,594.70 × 709,665.80
  4. Step 4: Simplify right side
    2,205,115.40x = 2,347,996,504,651.26
  5. Step 5: Solve for x
    x = 2,347,996,504,651.26/2,205,115.40
  6. Step 6: Final answer
    x = 1,064,795.30

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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.