Home / 2,678,449.71-4,018,739.13-857,095.26

Finding the Fourth Proportional to 2,678,449.71, 4,018,739.13 and 857,095.26

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Solution

The fourth proportional to 2,678,449.71, 4,018,739.13 and 857,095.26 is: 1,285,983.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,449.71 : 4,018,739.13 = 857,095.26 : x
  2. Step 2: Convert to fraction form
    2,678,449.71/4,018,739.13 = 857,095.26/x
  3. Step 3: Cross multiply
    2,678,449.71x = 4,018,739.13 × 857,095.26
  4. Step 4: Simplify right side
    2,678,449.71x = 3,444,442,259,499.52
  5. Step 5: Solve for x
    x = 3,444,442,259,499.52/2,678,449.71
  6. Step 6: Final answer
    x = 1,285,983.55

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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.