Home / 2,814,989.76-4,221,837.05-1,678,072.95

Finding the Fourth Proportional to 2,814,989.76, 4,221,837.05 and 1,678,072.95

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Solution

The fourth proportional to 2,814,989.76, 4,221,837.05 and 1,678,072.95 is: 2,516,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814,989.76 : 4,221,837.05 = 1,678,072.95 : x
  2. Step 2: Convert to fraction form
    2,814,989.76/4,221,837.05 = 1,678,072.95/x
  3. Step 3: Cross multiply
    2,814,989.76x = 4,221,837.05 × 1,678,072.95
  4. Step 4: Simplify right side
    2,814,989.76x = 7,084,550,544,522.43
  5. Step 5: Solve for x
    x = 7,084,550,544,522.43/2,814,989.76
  6. Step 6: Final answer
    x = 2,516,723.38

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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.