Home / 3,880,206.51-5,354,850.20-2,161,326.57

Finding the Fourth Proportional to 3,880,206.51, 5,354,850.20 and 2,161,326.57

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Solution

The fourth proportional to 3,880,206.51, 5,354,850.20 and 2,161,326.57 is: 2,982,722.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880,206.51 : 5,354,850.20 = 2,161,326.57 : x
  2. Step 2: Convert to fraction form
    3,880,206.51/5,354,850.20 = 2,161,326.57/x
  3. Step 3: Cross multiply
    3,880,206.51x = 5,354,850.20 × 2,161,326.57
  4. Step 4: Simplify right side
    3,880,206.51x = 11,573,580,015,629.81
  5. Step 5: Solve for x
    x = 11,573,580,015,629.81/3,880,206.51
  6. Step 6: Final answer
    x = 2,982,722.69

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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.