Home / 6,768,559-9,340,611.42-3,712,780.54

Finding the Fourth Proportional to 6,768,559, 9,340,611.42 and 3,712,780.54

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Solution

The fourth proportional to 6,768,559, 9,340,611.42 and 3,712,780.54 is: 5,123,637.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768,559 : 9,340,611.42 = 3,712,780.54 : x
  2. Step 2: Convert to fraction form
    6,768,559/9,340,611.42 = 3,712,780.54/x
  3. Step 3: Cross multiply
    6,768,559x = 9,340,611.42 × 3,712,780.54
  4. Step 4: Simplify right side
    6,768,559x = 34,679,640,311,877.77
  5. Step 5: Solve for x
    x = 34,679,640,311,877.77/6,768,559
  6. Step 6: Final answer
    x = 5,123,637.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.