Home / 2,221,606-3,065,817.90-1,203,011.56

Finding the Fourth Proportional to 2,221,606, 3,065,817.90 and 1,203,011.56

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Solution

The fourth proportional to 2,221,606, 3,065,817.90 and 1,203,011.56 is: 1,660,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,606 : 3,065,817.90 = 1,203,011.56 : x
  2. Step 2: Convert to fraction form
    2,221,606/3,065,817.90 = 1,203,011.56/x
  3. Step 3: Cross multiply
    2,221,606x = 3,065,817.90 × 1,203,011.56
  4. Step 4: Simplify right side
    2,221,606x = 3,688,214,374,554.92
  5. Step 5: Solve for x
    x = 3,688,214,374,554.92/2,221,606
  6. Step 6: Final answer
    x = 1,660,156.83

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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.