Home / 4,212,191.20-6,316,443.60-1,687,007.20

Finding the Fourth Proportional to 4,212,191.20, 6,316,443.60 and 1,687,007.20

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Solution

The fourth proportional to 4,212,191.20, 6,316,443.60 and 1,687,007.20 is: 2,529,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212,191.20 : 6,316,443.60 = 1,687,007.20 : x
  2. Step 2: Convert to fraction form
    4,212,191.20/6,316,443.60 = 1,687,007.20/x
  3. Step 3: Cross multiply
    4,212,191.20x = 6,316,443.60 × 1,687,007.20
  4. Step 4: Simplify right side
    4,212,191.20x = 10,655,885,831,593.92
  5. Step 5: Solve for x
    x = 10,655,885,831,593.92/4,212,191.20
  6. Step 6: Final answer
    x = 2,529,772.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.