Home / 3,072,071.80-4,609,490.10-1,388,308.60

Finding the Fourth Proportional to 3,072,071.80, 4,609,490.10 and 1,388,308.60

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Solution

The fourth proportional to 3,072,071.80, 4,609,490.10 and 1,388,308.60 is: 2,083,087.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,071.80 : 4,609,490.10 = 1,388,308.60 : x
  2. Step 2: Convert to fraction form
    3,072,071.80/4,609,490.10 = 1,388,308.60/x
  3. Step 3: Cross multiply
    3,072,071.80x = 4,609,490.10 × 1,388,308.60
  4. Step 4: Simplify right side
    3,072,071.80x = 6,399,394,747,444.86
  5. Step 5: Solve for x
    x = 6,399,394,747,444.86/3,072,071.80
  6. Step 6: Final answer
    x = 2,083,087.62

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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.