Home / 2,679,012.80-4,011,520.80-2,553,041.60

Finding the Fourth Proportional to 2,679,012.80, 4,011,520.80 and 2,553,041.60

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Solution

The fourth proportional to 2,679,012.80, 4,011,520.80 and 2,553,041.60 is: 3,822,893.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679,012.80 : 4,011,520.80 = 2,553,041.60 : x
  2. Step 2: Convert to fraction form
    2,679,012.80/4,011,520.80 = 2,553,041.60/x
  3. Step 3: Cross multiply
    2,679,012.80x = 4,011,520.80 × 2,553,041.60
  4. Step 4: Simplify right side
    2,679,012.80x = 10,241,579,481,665.28
  5. Step 5: Solve for x
    x = 10,241,579,481,665.28/2,679,012.80
  6. Step 6: Final answer
    x = 3,822,893.08

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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.