Home / 2,606,885.12-3,905,236.48-1,238,712.32

Finding the Fourth Proportional to 2,606,885.12, 3,905,236.48 and 1,238,712.32

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Solution

The fourth proportional to 2,606,885.12, 3,905,236.48 and 1,238,712.32 is: 1,855,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,885.12 : 3,905,236.48 = 1,238,712.32 : x
  2. Step 2: Convert to fraction form
    2,606,885.12/3,905,236.48 = 1,238,712.32/x
  3. Step 3: Cross multiply
    2,606,885.12x = 3,905,236.48 × 1,238,712.32
  4. Step 4: Simplify right side
    2,606,885.12x = 4,837,464,540,289.43
  5. Step 5: Solve for x
    x = 4,837,464,540,289.43/2,606,885.12
  6. Step 6: Final answer
    x = 1,855,649.30

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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.