Home / 3,022,609.81-4,171,141.70-1,645,969.86

Finding the Fourth Proportional to 3,022,609.81, 4,171,141.70 and 1,645,969.86

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Solution

The fourth proportional to 3,022,609.81, 4,171,141.70 and 1,645,969.86 is: 2,271,405.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022,609.81 : 4,171,141.70 = 1,645,969.86 : x
  2. Step 2: Convert to fraction form
    3,022,609.81/4,171,141.70 = 1,645,969.86/x
  3. Step 3: Cross multiply
    3,022,609.81x = 4,171,141.70 × 1,645,969.86
  4. Step 4: Simplify right side
    3,022,609.81x = 6,865,573,519,989.16
  5. Step 5: Solve for x
    x = 6,865,573,519,989.16/3,022,609.81
  6. Step 6: Final answer
    x = 2,271,405.82

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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.