Home / 3,345,203.40-5,019,773.40-1,215,502.80

Finding the Fourth Proportional to 3,345,203.40, 5,019,773.40 and 1,215,502.80

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Solution

The fourth proportional to 3,345,203.40, 5,019,773.40 and 1,215,502.80 is: 1,823,969.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345,203.40 : 5,019,773.40 = 1,215,502.80 : x
  2. Step 2: Convert to fraction form
    3,345,203.40/5,019,773.40 = 1,215,502.80/x
  3. Step 3: Cross multiply
    3,345,203.40x = 5,019,773.40 × 1,215,502.80
  4. Step 4: Simplify right side
    3,345,203.40x = 6,101,548,623,065.52
  5. Step 5: Solve for x
    x = 6,101,548,623,065.52/3,345,203.40
  6. Step 6: Final answer
    x = 1,823,969.40

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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.