Home / 6,172,142.49-9,258,656.60-2,128,570.85

Finding the Fourth Proportional to 6,172,142.49, 9,258,656.60 and 2,128,570.85

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Solution

The fourth proportional to 6,172,142.49, 9,258,656.60 and 2,128,570.85 is: 3,193,009.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,142.49 : 9,258,656.60 = 2,128,570.85 : x
  2. Step 2: Convert to fraction form
    6,172,142.49/9,258,656.60 = 2,128,570.85/x
  3. Step 3: Cross multiply
    6,172,142.49x = 9,258,656.60 × 2,128,570.85
  4. Step 4: Simplify right side
    6,172,142.49x = 19,707,706,577,388.18
  5. Step 5: Solve for x
    x = 19,707,706,577,388.18/6,172,142.49
  6. Step 6: Final answer
    x = 3,193,009.01

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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.