Home / 2,812,513.74-4,218,101.55-1,214,202.30

Finding the Fourth Proportional to 2,812,513.74, 4,218,101.55 and 1,214,202.30

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Solution

The fourth proportional to 2,812,513.74, 4,218,101.55 and 1,214,202.30 is: 1,821,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812,513.74 : 4,218,101.55 = 1,214,202.30 : x
  2. Step 2: Convert to fraction form
    2,812,513.74/4,218,101.55 = 1,214,202.30/x
  3. Step 3: Cross multiply
    2,812,513.74x = 4,218,101.55 × 1,214,202.30
  4. Step 4: Simplify right side
    2,812,513.74x = 5,121,628,603,643.57
  5. Step 5: Solve for x
    x = 5,121,628,603,643.57/2,812,513.74
  6. Step 6: Final answer
    x = 1,821,014.61

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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.