Home / 2,678,657.32-4,018,135.74-857,181.16

Finding the Fourth Proportional to 2,678,657.32, 4,018,135.74 and 857,181.16

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Solution

The fourth proportional to 2,678,657.32, 4,018,135.74 and 857,181.16 is: 1,285,819.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,678,657.32 : 4,018,135.74 = 857,181.16 : x
  2. Step 2: Convert to fraction form
    2,678,657.32/4,018,135.74 = 857,181.16/x
  3. Step 3: Cross multiply
    2,678,657.32x = 4,018,135.74 × 857,181.16
  4. Step 4: Simplify right side
    2,678,657.32x = 3,444,270,254,650.66
  5. Step 5: Solve for x
    x = 3,444,270,254,650.66/2,678,657.32
  6. Step 6: Final answer
    x = 1,285,819.66

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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.