Home / 2,830,847.12-4,242,071.60-2,079,218.96

Finding the Fourth Proportional to 2,830,847.12, 4,242,071.60 and 2,079,218.96

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Solution

The fourth proportional to 2,830,847.12, 4,242,071.60 and 2,079,218.96 is: 3,115,744.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,830,847.12 : 4,242,071.60 = 2,079,218.96 : x
  2. Step 2: Convert to fraction form
    2,830,847.12/4,242,071.60 = 2,079,218.96/x
  3. Step 3: Cross multiply
    2,830,847.12x = 4,242,071.60 × 2,079,218.96
  4. Step 4: Simplify right side
    2,830,847.12x = 8,820,195,692,495.92
  5. Step 5: Solve for x
    x = 8,820,195,692,495.92/2,830,847.12
  6. Step 6: Final answer
    x = 3,115,744.27

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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.