Home / 2,256,308.08-3,113,676.12-1,289,427.28

Finding the Fourth Proportional to 2,256,308.08, 3,113,676.12 and 1,289,427.28

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Solution

The fourth proportional to 2,256,308.08, 3,113,676.12 and 1,289,427.28 is: 1,779,393.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,308.08 : 3,113,676.12 = 1,289,427.28 : x
  2. Step 2: Convert to fraction form
    2,256,308.08/3,113,676.12 = 1,289,427.28/x
  3. Step 3: Cross multiply
    2,256,308.08x = 3,113,676.12 × 1,289,427.28
  4. Step 4: Simplify right side
    2,256,308.08x = 4,014,858,930,212.55
  5. Step 5: Solve for x
    x = 4,014,858,930,212.55/2,256,308.08
  6. Step 6: Final answer
    x = 1,779,393.06

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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.