Home / 5,172,486.33-7,138,252.60-2,880,647.02

Finding the Fourth Proportional to 5,172,486.33, 7,138,252.60 and 2,880,647.02

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Solution

The fourth proportional to 5,172,486.33, 7,138,252.60 and 2,880,647.02 is: 3,975,416.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,486.33 : 7,138,252.60 = 2,880,647.02 : x
  2. Step 2: Convert to fraction form
    5,172,486.33/7,138,252.60 = 2,880,647.02/x
  3. Step 3: Cross multiply
    5,172,486.33x = 7,138,252.60 × 2,880,647.02
  4. Step 4: Simplify right side
    5,172,486.33x = 20,562,786,055,150.00
  5. Step 5: Solve for x
    x = 20,562,786,055,150.00/5,172,486.33
  6. Step 6: Final answer
    x = 3,975,416.22

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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.