Home / 3,749,971.05-5,175,066.30-2,118,447.45

Finding the Fourth Proportional to 3,749,971.05, 5,175,066.30 and 2,118,447.45

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Solution

The fourth proportional to 3,749,971.05, 5,175,066.30 and 2,118,447.45 is: 2,923,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749,971.05 : 5,175,066.30 = 2,118,447.45 : x
  2. Step 2: Convert to fraction form
    3,749,971.05/5,175,066.30 = 2,118,447.45/x
  3. Step 3: Cross multiply
    3,749,971.05x = 5,175,066.30 × 2,118,447.45
  4. Step 4: Simplify right side
    3,749,971.05x = 10,963,106,006,815.94
  5. Step 5: Solve for x
    x = 10,963,106,006,815.94/3,749,971.05
  6. Step 6: Final answer
    x = 2,923,517.50

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1.5x scale

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.