Home / 2,568,465-3,849,911.80-1,285,979.51

Finding the Fourth Proportional to 2,568,465, 3,849,911.80 and 1,285,979.51

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Solution

The fourth proportional to 2,568,465, 3,849,911.80 and 1,285,979.51 is: 1,927,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568,465 : 3,849,911.80 = 1,285,979.51 : x
  2. Step 2: Convert to fraction form
    2,568,465/3,849,911.80 = 1,285,979.51/x
  3. Step 3: Cross multiply
    2,568,465x = 3,849,911.80 × 1,285,979.51
  4. Step 4: Simplify right side
    2,568,465x = 4,950,907,690,107.22
  5. Step 5: Solve for x
    x = 4,950,907,690,107.22/2,568,465
  6. Step 6: Final answer
    x = 1,927,574.52

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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.