Home / 2,678,656.32-4,018,134.24-857,180.16

Finding the Fourth Proportional to 2,678,656.32, 4,018,134.24 and 857,180.16

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Solution

The fourth proportional to 2,678,656.32, 4,018,134.24 and 857,180.16 is: 1,285,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,656.32 : 4,018,134.24 = 857,180.16 : x
  2. Step 2: Convert to fraction form
    2,678,656.32/4,018,134.24 = 857,180.16/x
  3. Step 3: Cross multiply
    2,678,656.32x = 4,018,134.24 × 857,180.16
  4. Step 4: Simplify right side
    2,678,656.32x = 3,444,264,950,744.68
  5. Step 5: Solve for x
    x = 3,444,264,950,744.68/2,678,656.32
  6. Step 6: Final answer
    x = 1,285,818.16

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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.