Home / 5,346,014.40-8,019,021.60-2,153,431.80

Finding the Fourth Proportional to 5,346,014.40, 8,019,021.60 and 2,153,431.80

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Solution

The fourth proportional to 5,346,014.40, 8,019,021.60 and 2,153,431.80 is: 3,230,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346,014.40 : 8,019,021.60 = 2,153,431.80 : x
  2. Step 2: Convert to fraction form
    5,346,014.40/8,019,021.60 = 2,153,431.80/x
  3. Step 3: Cross multiply
    5,346,014.40x = 8,019,021.60 × 2,153,431.80
  4. Step 4: Simplify right side
    5,346,014.40x = 17,268,416,118,326.88
  5. Step 5: Solve for x
    x = 17,268,416,118,326.88/5,346,014.40
  6. Step 6: Final answer
    x = 3,230,147.70

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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.