Home / 3,692,913.15-5,097,070.46-2,165,512.35

Finding the Fourth Proportional to 3,692,913.15, 5,097,070.46 and 2,165,512.35

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Solution

The fourth proportional to 3,692,913.15, 5,097,070.46 and 2,165,512.35 is: 2,988,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692,913.15 : 5,097,070.46 = 2,165,512.35 : x
  2. Step 2: Convert to fraction form
    3,692,913.15/5,097,070.46 = 2,165,512.35/x
  3. Step 3: Cross multiply
    3,692,913.15x = 5,097,070.46 × 2,165,512.35
  4. Step 4: Simplify right side
    3,692,913.15x = 11,037,769,019,122.62
  5. Step 5: Solve for x
    x = 11,037,769,019,122.62/3,692,913.15
  6. Step 6: Final answer
    x = 2,988,905.66

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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.