Home / 2,007,451.80-3,010,181.40-728,008.20

Finding the Fourth Proportional to 2,007,451.80, 3,010,181.40 and 728,008.20

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Solution

The fourth proportional to 2,007,451.80, 3,010,181.40 and 728,008.20 is: 1,091,650.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007,451.80 : 3,010,181.40 = 728,008.20 : x
  2. Step 2: Convert to fraction form
    2,007,451.80/3,010,181.40 = 728,008.20/x
  3. Step 3: Cross multiply
    2,007,451.80x = 3,010,181.40 × 728,008.20
  4. Step 4: Simplify right side
    2,007,451.80x = 2,191,436,742,687.48
  5. Step 5: Solve for x
    x = 2,191,436,742,687.48/2,007,451.80
  6. Step 6: Final answer
    x = 1,091,650.99

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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.