Home / 3,320,125.10-4,984,665.36-2,124,381.50

Finding the Fourth Proportional to 3,320,125.10, 4,984,665.36 and 2,124,381.50

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Solution

The fourth proportional to 3,320,125.10, 4,984,665.36 and 2,124,381.50 is: 3,189,437.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320,125.10 : 4,984,665.36 = 2,124,381.50 : x
  2. Step 2: Convert to fraction form
    3,320,125.10/4,984,665.36 = 2,124,381.50/x
  3. Step 3: Cross multiply
    3,320,125.10x = 4,984,665.36 × 2,124,381.50
  4. Step 4: Simplify right side
    3,320,125.10x = 10,589,330,874,474.84
  5. Step 5: Solve for x
    x = 10,589,330,874,474.84/3,320,125.10
  6. Step 6: Final answer
    x = 3,189,437.31

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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.