Home / 3,078,188.96-4,247,819.28-1,720,073.12

Finding the Fourth Proportional to 3,078,188.96, 4,247,819.28 and 1,720,073.12

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Solution

The fourth proportional to 3,078,188.96, 4,247,819.28 and 1,720,073.12 is: 2,373,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,188.96 : 4,247,819.28 = 1,720,073.12 : x
  2. Step 2: Convert to fraction form
    3,078,188.96/4,247,819.28 = 1,720,073.12/x
  3. Step 3: Cross multiply
    3,078,188.96x = 4,247,819.28 × 1,720,073.12
  4. Step 4: Simplify right side
    3,078,188.96x = 7,306,559,762,145.76
  5. Step 5: Solve for x
    x = 7,306,559,762,145.76/3,078,188.96
  6. Step 6: Final answer
    x = 2,373,655.37

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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.