Home / 5,201,999.20-7,802,998.80-3,406,909.60

Finding the Fourth Proportional to 5,201,999.20, 7,802,998.80 and 3,406,909.60

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Solution

The fourth proportional to 5,201,999.20, 7,802,998.80 and 3,406,909.60 is: 5,110,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201,999.20 : 7,802,998.80 = 3,406,909.60 : x
  2. Step 2: Convert to fraction form
    5,201,999.20/7,802,998.80 = 3,406,909.60/x
  3. Step 3: Cross multiply
    5,201,999.20x = 7,802,998.80 × 3,406,909.60
  4. Step 4: Simplify right side
    5,201,999.20x = 26,584,111,520,508.48
  5. Step 5: Solve for x
    x = 26,584,111,520,508.48/5,201,999.20
  6. Step 6: Final answer
    x = 5,110,364.40

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Similar ratio
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1.5x scale

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.