Home / 2,939,942.22-4,057,235.40-2,011,597.30

Finding the Fourth Proportional to 2,939,942.22, 4,057,235.40 and 2,011,597.30

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Solution

The fourth proportional to 2,939,942.22, 4,057,235.40 and 2,011,597.30 is: 2,776,083.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939,942.22 : 4,057,235.40 = 2,011,597.30 : x
  2. Step 2: Convert to fraction form
    2,939,942.22/4,057,235.40 = 2,011,597.30/x
  3. Step 3: Cross multiply
    2,939,942.22x = 4,057,235.40 × 2,011,597.30
  4. Step 4: Simplify right side
    2,939,942.22x = 8,161,523,776,104.42
  5. Step 5: Solve for x
    x = 8,161,523,776,104.42/2,939,942.22
  6. Step 6: Final answer
    x = 2,776,083.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.