Home / 5,438,430.86-8,150,297.74-2,070,800.78

Finding the Fourth Proportional to 5,438,430.86, 8,150,297.74 and 2,070,800.78

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Solution

The fourth proportional to 5,438,430.86, 8,150,297.74 and 2,070,800.78 is: 3,103,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438,430.86 : 8,150,297.74 = 2,070,800.78 : x
  2. Step 2: Convert to fraction form
    5,438,430.86/8,150,297.74 = 2,070,800.78/x
  3. Step 3: Cross multiply
    5,438,430.86x = 8,150,297.74 × 2,070,800.78
  4. Step 4: Simplify right side
    5,438,430.86x = 16,877,642,917,224.24
  5. Step 5: Solve for x
    x = 16,877,642,917,224.24/5,438,430.86
  6. Step 6: Final answer
    x = 3,103,403.05

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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.