Home / 2,857,822.47-3,943,793.12-1,617,410.16

Finding the Fourth Proportional to 2,857,822.47, 3,943,793.12 and 1,617,410.16

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Solution

The fourth proportional to 2,857,822.47, 3,943,793.12 and 1,617,410.16 is: 2,232,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,822.47 : 3,943,793.12 = 1,617,410.16 : x
  2. Step 2: Convert to fraction form
    2,857,822.47/3,943,793.12 = 1,617,410.16/x
  3. Step 3: Cross multiply
    2,857,822.47x = 3,943,793.12 × 1,617,410.16
  4. Step 4: Simplify right side
    2,857,822.47x = 6,378,731,053,139.05
  5. Step 5: Solve for x
    x = 6,378,731,053,139.05/2,857,822.47
  6. Step 6: Final answer
    x = 2,232,024.95

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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.