Home / 2,138,706.46-3,208,562.70-622,422.10

Finding the Fourth Proportional to 2,138,706.46, 3,208,562.70 and 622,422.10

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Solution

The fourth proportional to 2,138,706.46, 3,208,562.70 and 622,422.10 is: 933,779.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,706.46 : 3,208,562.70 = 622,422.10 : x
  2. Step 2: Convert to fraction form
    2,138,706.46/3,208,562.70 = 622,422.10/x
  3. Step 3: Cross multiply
    2,138,706.46x = 3,208,562.70 × 622,422.10
  4. Step 4: Simplify right side
    2,138,706.46x = 1,997,080,333,715.67
  5. Step 5: Solve for x
    x = 1,997,080,333,715.67/2,138,706.46
  6. Step 6: Final answer
    x = 933,779.54

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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.