Home / 2,932,676.55-4,047,255.32-1,643,930.91

Finding the Fourth Proportional to 2,932,676.55, 4,047,255.32 and 1,643,930.91

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Solution

The fourth proportional to 2,932,676.55, 4,047,255.32 and 1,643,930.91 is: 2,268,715.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,932,676.55 : 4,047,255.32 = 1,643,930.91 : x
  2. Step 2: Convert to fraction form
    2,932,676.55/4,047,255.32 = 1,643,930.91/x
  3. Step 3: Cross multiply
    2,932,676.55x = 4,047,255.32 × 1,643,930.91
  4. Step 4: Simplify right side
    2,932,676.55x = 6,653,408,112,990.29
  5. Step 5: Solve for x
    x = 6,653,408,112,990.29/2,932,676.55
  6. Step 6: Final answer
    x = 2,268,715.28

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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.