Home / 5,638,820.80-8,458,231.20-1,379,030.80

Finding the Fourth Proportional to 5,638,820.80, 8,458,231.20 and 1,379,030.80

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Solution

The fourth proportional to 5,638,820.80, 8,458,231.20 and 1,379,030.80 is: 2,068,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,820.80 : 8,458,231.20 = 1,379,030.80 : x
  2. Step 2: Convert to fraction form
    5,638,820.80/8,458,231.20 = 1,379,030.80/x
  3. Step 3: Cross multiply
    5,638,820.80x = 8,458,231.20 × 1,379,030.80
  4. Step 4: Simplify right side
    5,638,820.80x = 11,664,161,338,320.96
  5. Step 5: Solve for x
    x = 11,664,161,338,320.96/5,638,820.80
  6. Step 6: Final answer
    x = 2,068,546.20

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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.