Home / 2,008,276.80-3,012,415.20-1,212,014.40

Finding the Fourth Proportional to 2,008,276.80, 3,012,415.20 and 1,212,014.40

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Solution

The fourth proportional to 2,008,276.80, 3,012,415.20 and 1,212,014.40 is: 1,818,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008,276.80 : 3,012,415.20 = 1,212,014.40 : x
  2. Step 2: Convert to fraction form
    2,008,276.80/3,012,415.20 = 1,212,014.40/x
  3. Step 3: Cross multiply
    2,008,276.80x = 3,012,415.20 × 1,212,014.40
  4. Step 4: Simplify right side
    2,008,276.80x = 3,651,090,601,178.88
  5. Step 5: Solve for x
    x = 3,651,090,601,178.88/2,008,276.80
  6. Step 6: Final answer
    x = 1,818,021.60

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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.