Home / 2,097,127.80-3,148,056.90-1,388,539.80

Finding the Fourth Proportional to 2,097,127.80, 3,148,056.90 and 1,388,539.80

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Solution

The fourth proportional to 2,097,127.80, 3,148,056.90 and 1,388,539.80 is: 2,084,375.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,097,127.80 : 3,148,056.90 = 1,388,539.80 : x
  2. Step 2: Convert to fraction form
    2,097,127.80/3,148,056.90 = 1,388,539.80/x
  3. Step 3: Cross multiply
    2,097,127.80x = 3,148,056.90 × 1,388,539.80
  4. Step 4: Simplify right side
    2,097,127.80x = 4,371,202,298,314.62
  5. Step 5: Solve for x
    x = 4,371,202,298,314.62/2,097,127.80
  6. Step 6: Final answer
    x = 2,084,375.73

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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.