Home / 2,220,560-3,330,932.16-644,624

Finding the Fourth Proportional to 2,220,560, 3,330,932.16 and 644,624

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Solution

The fourth proportional to 2,220,560, 3,330,932.16 and 644,624 is: 966,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220,560 : 3,330,932.16 = 644,624 : x
  2. Step 2: Convert to fraction form
    2,220,560/3,330,932.16 = 644,624/x
  3. Step 3: Cross multiply
    2,220,560x = 3,330,932.16 × 644,624
  4. Step 4: Simplify right side
    2,220,560x = 2,147,198,812,707.84
  5. Step 5: Solve for x
    x = 2,147,198,812,707.84/2,220,560
  6. Step 6: Final answer
    x = 966,962.75

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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.