Home / 1,898,687.18-2,620,212.92-1,039,228.98

Finding the Fourth Proportional to 1,898,687.18, 2,620,212.92 and 1,039,228.98

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Solution

The fourth proportional to 1,898,687.18, 2,620,212.92 and 1,039,228.98 is: 1,434,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,687.18 : 2,620,212.92 = 1,039,228.98 : x
  2. Step 2: Convert to fraction form
    1,898,687.18/2,620,212.92 = 1,039,228.98/x
  3. Step 3: Cross multiply
    1,898,687.18x = 2,620,212.92 × 1,039,228.98
  4. Step 4: Simplify right side
    1,898,687.18x = 2,723,001,200,234.42
  5. Step 5: Solve for x
    x = 2,723,001,200,234.42/1,898,687.18
  6. Step 6: Final answer
    x = 1,434,149.46

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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.