Home / 2,071,057.20-3,103,669.80-1,645,321.20

Finding the Fourth Proportional to 2,071,057.20, 3,103,669.80 and 1,645,321.20

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Solution

The fourth proportional to 2,071,057.20, 3,103,669.80 and 1,645,321.20 is: 2,465,665.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071,057.20 : 3,103,669.80 = 1,645,321.20 : x
  2. Step 2: Convert to fraction form
    2,071,057.20/3,103,669.80 = 1,645,321.20/x
  3. Step 3: Cross multiply
    2,071,057.20x = 3,103,669.80 × 1,645,321.20
  4. Step 4: Simplify right side
    2,071,057.20x = 5,106,533,719,739.76
  5. Step 5: Solve for x
    x = 5,106,533,719,739.76/2,071,057.20
  6. Step 6: Final answer
    x = 2,465,665.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.