Home / 2,128,484.72-2,937,370.48-1,161,676.64

Finding the Fourth Proportional to 2,128,484.72, 2,937,370.48 and 1,161,676.64

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Solution

The fourth proportional to 2,128,484.72, 2,937,370.48 and 1,161,676.64 is: 1,603,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128,484.72 : 2,937,370.48 = 1,161,676.64 : x
  2. Step 2: Convert to fraction form
    2,128,484.72/2,937,370.48 = 1,161,676.64/x
  3. Step 3: Cross multiply
    2,128,484.72x = 2,937,370.48 × 1,161,676.64
  4. Step 4: Simplify right side
    2,128,484.72x = 3,412,274,669,641.59
  5. Step 5: Solve for x
    x = 3,412,274,669,641.59/2,128,484.72
  6. Step 6: Final answer
    x = 1,603,147.36

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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.