Home / 3,072,491.64-4,238,540.46-1,985,700.60

Finding the Fourth Proportional to 3,072,491.64, 4,238,540.46 and 1,985,700.60

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Solution

The fourth proportional to 3,072,491.64, 4,238,540.46 and 1,985,700.60 is: 2,739,298.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,491.64 : 4,238,540.46 = 1,985,700.60 : x
  2. Step 2: Convert to fraction form
    3,072,491.64/4,238,540.46 = 1,985,700.60/x
  3. Step 3: Cross multiply
    3,072,491.64x = 4,238,540.46 × 1,985,700.60
  4. Step 4: Simplify right side
    3,072,491.64x = 8,416,472,334,546.28
  5. Step 5: Solve for x
    x = 8,416,472,334,546.28/3,072,491.64
  6. Step 6: Final answer
    x = 2,739,298.69

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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.