Home / 1,920,121.88-2,877,027.06-657,260.60

Finding the Fourth Proportional to 1,920,121.88, 2,877,027.06 and 657,260.60

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Solution

The fourth proportional to 1,920,121.88, 2,877,027.06 and 657,260.60 is: 984,810.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,920,121.88 : 2,877,027.06 = 657,260.60 : x
  2. Step 2: Convert to fraction form
    1,920,121.88/2,877,027.06 = 657,260.60/x
  3. Step 3: Cross multiply
    1,920,121.88x = 2,877,027.06 × 657,260.60
  4. Step 4: Simplify right side
    1,920,121.88x = 1,890,956,531,671.84
  5. Step 5: Solve for x
    x = 1,890,956,531,671.84/1,920,121.88
  6. Step 6: Final answer
    x = 984,810.68

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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.