Home / 2,209,285.11-3,048,784.34-1,242,415.11

Finding the Fourth Proportional to 2,209,285.11, 3,048,784.34 and 1,242,415.11

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Solution

The fourth proportional to 2,209,285.11, 3,048,784.34 and 1,242,415.11 is: 1,714,516.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,209,285.11 : 3,048,784.34 = 1,242,415.11 : x
  2. Step 2: Convert to fraction form
    2,209,285.11/3,048,784.34 = 1,242,415.11/x
  3. Step 3: Cross multiply
    2,209,285.11x = 3,048,784.34 × 1,242,415.11
  4. Step 4: Simplify right side
    2,209,285.11x = 3,787,855,731,147.38
  5. Step 5: Solve for x
    x = 3,787,855,731,147.38/2,209,285.11
  6. Step 6: Final answer
    x = 1,714,516.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.