Home / 2,256,778.98-3,114,565.83-1,289,720.34

Finding the Fourth Proportional to 2,256,778.98, 3,114,565.83 and 1,289,720.34

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Solution

The fourth proportional to 2,256,778.98, 3,114,565.83 and 1,289,720.34 is: 1,779,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256,778.98 : 3,114,565.83 = 1,289,720.34 : x
  2. Step 2: Convert to fraction form
    2,256,778.98/3,114,565.83 = 1,289,720.34/x
  3. Step 3: Cross multiply
    2,256,778.98x = 3,114,565.83 × 1,289,720.34
  4. Step 4: Simplify right side
    2,256,778.98x = 4,016,918,901,219.98
  5. Step 5: Solve for x
    x = 4,016,918,901,219.98/2,256,778.98
  6. Step 6: Final answer
    x = 1,779,934.56

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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.