Home / 2,713,927.20-4,069,335.60-820,384.80

Finding the Fourth Proportional to 2,713,927.20, 4,069,335.60 and 820,384.80

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Solution

The fourth proportional to 2,713,927.20, 4,069,335.60 and 820,384.80 is: 1,230,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,713,927.20 : 4,069,335.60 = 820,384.80 : x
  2. Step 2: Convert to fraction form
    2,713,927.20/4,069,335.60 = 820,384.80/x
  3. Step 3: Cross multiply
    2,713,927.20x = 4,069,335.60 × 820,384.80
  4. Step 4: Simplify right side
    2,713,927.20x = 3,338,421,072,338.88
  5. Step 5: Solve for x
    x = 3,338,421,072,338.88/2,713,927.20
  6. Step 6: Final answer
    x = 1,230,107.08

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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.