Home / 2,207,155.80-3,308,984.10-1,209,883.80

Finding the Fourth Proportional to 2,207,155.80, 3,308,984.10 and 1,209,883.80

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Solution

The fourth proportional to 2,207,155.80, 3,308,984.10 and 1,209,883.80 is: 1,813,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,155.80 : 3,308,984.10 = 1,209,883.80 : x
  2. Step 2: Convert to fraction form
    2,207,155.80/3,308,984.10 = 1,209,883.80/x
  3. Step 3: Cross multiply
    2,207,155.80x = 3,308,984.10 × 1,209,883.80
  4. Step 4: Simplify right side
    2,207,155.80x = 4,003,486,257,047.58
  5. Step 5: Solve for x
    x = 4,003,486,257,047.58/2,207,155.80
  6. Step 6: Final answer
    x = 1,813,866.63

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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.