Home / 2,009,291.10-3,012,187.05-1,209,723.90

Finding the Fourth Proportional to 2,009,291.10, 3,012,187.05 and 1,209,723.90

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Solution

The fourth proportional to 2,009,291.10, 3,012,187.05 and 1,209,723.90 is: 1,813,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,291.10 : 3,012,187.05 = 1,209,723.90 : x
  2. Step 2: Convert to fraction form
    2,009,291.10/3,012,187.05 = 1,209,723.90/x
  3. Step 3: Cross multiply
    2,009,291.10x = 3,012,187.05 × 1,209,723.90
  4. Step 4: Simplify right side
    2,009,291.10x = 3,643,914,665,655.49
  5. Step 5: Solve for x
    x = 3,643,914,665,655.49/2,009,291.10
  6. Step 6: Final answer
    x = 1,813,532.48

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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.