Home / 3,022,490.70-4,171,030.61-1,645,813.08

Finding the Fourth Proportional to 3,022,490.70, 4,171,030.61 and 1,645,813.08

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Solution

The fourth proportional to 3,022,490.70, 4,171,030.61 and 1,645,813.08 is: 2,271,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,022,490.70 : 4,171,030.61 = 1,645,813.08 : x
  2. Step 2: Convert to fraction form
    3,022,490.70/4,171,030.61 = 1,645,813.08/x
  3. Step 3: Cross multiply
    3,022,490.70x = 4,171,030.61 × 1,645,813.08
  4. Step 4: Simplify right side
    3,022,490.70x = 6,864,736,726,789.31
  5. Step 5: Solve for x
    x = 6,864,736,726,789.31/3,022,490.70
  6. Step 6: Final answer
    x = 2,271,218.48

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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.