Home / 4,212,500.20-6,316,907.10-1,687,316.20

Finding the Fourth Proportional to 4,212,500.20, 6,316,907.10 and 1,687,316.20

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Solution

The fourth proportional to 4,212,500.20, 6,316,907.10 and 1,687,316.20 is: 2,530,236.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212,500.20 : 6,316,907.10 = 1,687,316.20 : x
  2. Step 2: Convert to fraction form
    4,212,500.20/6,316,907.10 = 1,687,316.20/x
  3. Step 3: Cross multiply
    4,212,500.20x = 6,316,907.10 × 1,687,316.20
  4. Step 4: Simplify right side
    4,212,500.20x = 10,658,619,683,725.02
  5. Step 5: Solve for x
    x = 10,658,619,683,725.02/4,212,500.20
  6. Step 6: Final answer
    x = 2,530,236.01

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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.