Home / 5,479,820.40-8,222,063.40-3,459,615.60

Finding the Fourth Proportional to 5,479,820.40, 8,222,063.40 and 3,459,615.60

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Solution

The fourth proportional to 5,479,820.40, 8,222,063.40 and 3,459,615.60 is: 5,190,896.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,479,820.40 : 8,222,063.40 = 3,459,615.60 : x
  2. Step 2: Convert to fraction form
    5,479,820.40/8,222,063.40 = 3,459,615.60/x
  3. Step 3: Cross multiply
    5,479,820.40x = 8,222,063.40 × 3,459,615.60
  4. Step 4: Simplify right side
    5,479,820.40x = 28,445,178,802,829.04
  5. Step 5: Solve for x
    x = 28,445,178,802,829.04/5,479,820.40
  6. Step 6: Final answer
    x = 5,190,896.18

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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.