Home / 4,212,503.20-6,316,911.60-1,687,319.20

Finding the Fourth Proportional to 4,212,503.20, 6,316,911.60 and 1,687,319.20

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Solution

The fourth proportional to 4,212,503.20, 6,316,911.60 and 1,687,319.20 is: 2,530,240.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212,503.20 : 6,316,911.60 = 1,687,319.20 : x
  2. Step 2: Convert to fraction form
    4,212,503.20/6,316,911.60 = 1,687,319.20/x
  3. Step 3: Cross multiply
    4,212,503.20x = 6,316,911.60 × 1,687,319.20
  4. Step 4: Simplify right side
    4,212,503.20x = 10,658,646,227,382.72
  5. Step 5: Solve for x
    x = 10,658,646,227,382.72/4,212,503.20
  6. Step 6: Final answer
    x = 2,530,240.51

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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.