Home / 1,954,305.40-2,931,312.30-816,773.80

Finding the Fourth Proportional to 1,954,305.40, 2,931,312.30 and 816,773.80

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Solution

The fourth proportional to 1,954,305.40, 2,931,312.30 and 816,773.80 is: 1,225,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,305.40 : 2,931,312.30 = 816,773.80 : x
  2. Step 2: Convert to fraction form
    1,954,305.40/2,931,312.30 = 816,773.80/x
  3. Step 3: Cross multiply
    1,954,305.40x = 2,931,312.30 × 816,773.80
  4. Step 4: Simplify right side
    1,954,305.40x = 2,394,219,086,257.74
  5. Step 5: Solve for x
    x = 2,394,219,086,257.74/1,954,305.40
  6. Step 6: Final answer
    x = 1,225,099.76

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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.