Home / 3,415,880.58-4,712,049.09-2,190,822.81

Finding the Fourth Proportional to 3,415,880.58, 4,712,049.09 and 2,190,822.81

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Solution

The fourth proportional to 3,415,880.58, 4,712,049.09 and 2,190,822.81 is: 3,022,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415,880.58 : 4,712,049.09 = 2,190,822.81 : x
  2. Step 2: Convert to fraction form
    3,415,880.58/4,712,049.09 = 2,190,822.81/x
  3. Step 3: Cross multiply
    3,415,880.58x = 4,712,049.09 × 2,190,822.81
  4. Step 4: Simplify right side
    3,415,880.58x = 10,323,264,628,211.74
  5. Step 5: Solve for x
    x = 10,323,264,628,211.74/3,415,880.58
  6. Step 6: Final answer
    x = 3,022,138.62

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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.