Home / 6,128,772.60-9,179,162.10-3,609,348.60

Finding the Fourth Proportional to 6,128,772.60, 9,179,162.10 and 3,609,348.60

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Solution

The fourth proportional to 6,128,772.60, 9,179,162.10 and 3,609,348.60 is: 5,405,779.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,128,772.60 : 9,179,162.10 = 3,609,348.60 : x
  2. Step 2: Convert to fraction form
    6,128,772.60/9,179,162.10 = 3,609,348.60/x
  3. Step 3: Cross multiply
    6,128,772.60x = 9,179,162.10 × 3,609,348.60
  4. Step 4: Simplify right side
    6,128,772.60x = 33,130,795,874,808.06
  5. Step 5: Solve for x
    x = 33,130,795,874,808.06/6,128,772.60
  6. Step 6: Final answer
    x = 5,405,779.92

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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.