Home / 5,214,206.43-7,196,346.36-2,891,615.49

Finding the Fourth Proportional to 5,214,206.43, 7,196,346.36 and 2,891,615.49

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Solution

The fourth proportional to 5,214,206.43, 7,196,346.36 and 2,891,615.49 is: 3,990,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,214,206.43 : 7,196,346.36 = 2,891,615.49 : x
  2. Step 2: Convert to fraction form
    5,214,206.43/7,196,346.36 = 2,891,615.49/x
  3. Step 3: Cross multiply
    5,214,206.43x = 7,196,346.36 × 2,891,615.49
  4. Step 4: Simplify right side
    5,214,206.43x = 20,809,066,605,981.12
  5. Step 5: Solve for x
    x = 20,809,066,605,981.12/5,214,206.43
  6. Step 6: Final answer
    x = 3,990,840.58

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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.