Home / 2,857,080.05-3,942,947.63-1,888,530.65

Finding the Fourth Proportional to 2,857,080.05, 3,942,947.63 and 1,888,530.65

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Solution

The fourth proportional to 2,857,080.05, 3,942,947.63 and 1,888,530.65 is: 2,606,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,080.05 : 3,942,947.63 = 1,888,530.65 : x
  2. Step 2: Convert to fraction form
    2,857,080.05/3,942,947.63 = 1,888,530.65/x
  3. Step 3: Cross multiply
    2,857,080.05x = 3,942,947.63 × 1,888,530.65
  4. Step 4: Simplify right side
    2,857,080.05x = 7,446,377,450,599.86
  5. Step 5: Solve for x
    x = 7,446,377,450,599.86/2,857,080.05
  6. Step 6: Final answer
    x = 2,606,289.40

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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.