Home / 3,692,929.78-5,097,093.33-2,165,528.98

Finding the Fourth Proportional to 3,692,929.78, 5,097,093.33 and 2,165,528.98

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Solution

The fourth proportional to 3,692,929.78, 5,097,093.33 and 2,165,528.98 is: 2,988,928.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692,929.78 : 5,097,093.33 = 2,165,528.98 : x
  2. Step 2: Convert to fraction form
    3,692,929.78/5,097,093.33 = 2,165,528.98/x
  3. Step 3: Cross multiply
    3,692,929.78x = 5,097,093.33 × 2,165,528.98
  4. Step 4: Simplify right side
    3,692,929.78x = 11,037,903,319,879.70
  5. Step 5: Solve for x
    x = 11,037,903,319,879.70/3,692,929.78
  6. Step 6: Final answer
    x = 2,988,928.57

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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.