Home / 1,804,137.35-2,488,765.64-1,115,589.15

Finding the Fourth Proportional to 1,804,137.35, 2,488,765.64 and 1,115,589.15

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Solution

The fourth proportional to 1,804,137.35, 2,488,765.64 and 1,115,589.15 is: 1,538,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,137.35 : 2,488,765.64 = 1,115,589.15 : x
  2. Step 2: Convert to fraction form
    1,804,137.35/2,488,765.64 = 1,115,589.15/x
  3. Step 3: Cross multiply
    1,804,137.35x = 2,488,765.64 × 1,115,589.15
  4. Step 4: Simplify right side
    1,804,137.35x = 2,776,439,939,298.86
  5. Step 5: Solve for x
    x = 2,776,439,939,298.86/1,804,137.35
  6. Step 6: Final answer
    x = 1,538,929.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.