Home / 2,180,142.80-3,270,214.20-684,232.40

Finding the Fourth Proportional to 2,180,142.80, 3,270,214.20 and 684,232.40

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Solution

The fourth proportional to 2,180,142.80, 3,270,214.20 and 684,232.40 is: 1,026,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,142.80 : 3,270,214.20 = 684,232.40 : x
  2. Step 2: Convert to fraction form
    2,180,142.80/3,270,214.20 = 684,232.40/x
  3. Step 3: Cross multiply
    2,180,142.80x = 3,270,214.20 × 684,232.40
  4. Step 4: Simplify right side
    2,180,142.80x = 2,237,586,510,580.08
  5. Step 5: Solve for x
    x = 2,237,586,510,580.08/2,180,142.80
  6. Step 6: Final answer
    x = 1,026,348.60

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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.