Home / 2,758,125.20-4,137,187.80-1,812,563.60

Finding the Fourth Proportional to 2,758,125.20, 4,137,187.80 and 1,812,563.60

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Solution

The fourth proportional to 2,758,125.20, 4,137,187.80 and 1,812,563.60 is: 2,718,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758,125.20 : 4,137,187.80 = 1,812,563.60 : x
  2. Step 2: Convert to fraction form
    2,758,125.20/4,137,187.80 = 1,812,563.60/x
  3. Step 3: Cross multiply
    2,758,125.20x = 4,137,187.80 × 1,812,563.60
  4. Step 4: Simplify right side
    2,758,125.20x = 7,498,916,012,644.08
  5. Step 5: Solve for x
    x = 7,498,916,012,644.08/2,758,125.20
  6. Step 6: Final answer
    x = 2,718,845.40

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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.