Home / 3,749,971.56-5,175,066.99-2,118,447.96

Finding the Fourth Proportional to 3,749,971.56, 5,175,066.99 and 2,118,447.96

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Solution

The fourth proportional to 3,749,971.56, 5,175,066.99 and 2,118,447.96 is: 2,923,518.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,971.56 : 5,175,066.99 = 2,118,447.96 : x
  2. Step 2: Convert to fraction form
    3,749,971.56/5,175,066.99 = 2,118,447.96/x
  3. Step 3: Cross multiply
    3,749,971.56x = 5,175,066.99 × 2,118,447.96
  4. Step 4: Simplify right side
    3,749,971.56x = 10,963,110,107,828.84
  5. Step 5: Solve for x
    x = 10,963,110,107,828.84/3,749,971.56
  6. Step 6: Final answer
    x = 2,923,518.20

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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.