Home / 2,928,181.80-4,392,272.70-2,666,908.20

Finding the Fourth Proportional to 2,928,181.80, 4,392,272.70 and 2,666,908.20

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Solution

The fourth proportional to 2,928,181.80, 4,392,272.70 and 2,666,908.20 is: 4,000,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,181.80 : 4,392,272.70 = 2,666,908.20 : x
  2. Step 2: Convert to fraction form
    2,928,181.80/4,392,272.70 = 2,666,908.20/x
  3. Step 3: Cross multiply
    2,928,181.80x = 4,392,272.70 × 2,666,908.20
  4. Step 4: Simplify right side
    2,928,181.80x = 11,713,788,080,266.14
  5. Step 5: Solve for x
    x = 11,713,788,080,266.14/2,928,181.80
  6. Step 6: Final answer
    x = 4,000,362.30

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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.