Home / 2,388,968.40-3,578,614.20-1,487,643.60

Finding the Fourth Proportional to 2,388,968.40, 3,578,614.20 and 1,487,643.60

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Solution

The fourth proportional to 2,388,968.40, 3,578,614.20 and 1,487,643.60 is: 2,228,452.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388,968.40 : 3,578,614.20 = 1,487,643.60 : x
  2. Step 2: Convert to fraction form
    2,388,968.40/3,578,614.20 = 1,487,643.60/x
  3. Step 3: Cross multiply
    2,388,968.40x = 3,578,614.20 × 1,487,643.60
  4. Step 4: Simplify right side
    2,388,968.40x = 5,323,702,511,499.12
  5. Step 5: Solve for x
    x = 5,323,702,511,499.12/2,388,968.40
  6. Step 6: Final answer
    x = 2,228,452.46

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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.