Home / 2,147,235.50-3,220,872.70-651,327.50

Finding the Fourth Proportional to 2,147,235.50, 3,220,872.70 and 651,327.50

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Solution

The fourth proportional to 2,147,235.50, 3,220,872.70 and 651,327.50 is: 976,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147,235.50 : 3,220,872.70 = 651,327.50 : x
  2. Step 2: Convert to fraction form
    2,147,235.50/3,220,872.70 = 651,327.50/x
  3. Step 3: Cross multiply
    2,147,235.50x = 3,220,872.70 × 651,327.50
  4. Step 4: Simplify right side
    2,147,235.50x = 2,097,842,963,509.25
  5. Step 5: Solve for x
    x = 2,097,842,963,509.25/2,147,235.50
  6. Step 6: Final answer
    x = 976,997.15

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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.