Home / 2,669,257.78-4,003,885.64-1,071,820.38

Finding the Fourth Proportional to 2,669,257.78, 4,003,885.64 and 1,071,820.38

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Solution

The fourth proportional to 2,669,257.78, 4,003,885.64 and 1,071,820.38 is: 1,607,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,257.78 : 4,003,885.64 = 1,071,820.38 : x
  2. Step 2: Convert to fraction form
    2,669,257.78/4,003,885.64 = 1,071,820.38/x
  3. Step 3: Cross multiply
    2,669,257.78x = 4,003,885.64 × 1,071,820.38
  4. Step 4: Simplify right side
    2,669,257.78x = 4,291,446,228,141.34
  5. Step 5: Solve for x
    x = 4,291,446,228,141.34/2,669,257.78
  6. Step 6: Final answer
    x = 1,607,730.16

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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.