Home / 3,905,545.58-5,858,874.81-1,210,082.66

Finding the Fourth Proportional to 3,905,545.58, 5,858,874.81 and 1,210,082.66

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Solution

The fourth proportional to 3,905,545.58, 5,858,874.81 and 1,210,082.66 is: 1,815,296.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,545.58 : 5,858,874.81 = 1,210,082.66 : x
  2. Step 2: Convert to fraction form
    3,905,545.58/5,858,874.81 = 1,210,082.66/x
  3. Step 3: Cross multiply
    3,905,545.58x = 5,858,874.81 × 1,210,082.66
  4. Step 4: Simplify right side
    3,905,545.58x = 7,089,722,785,397.42
  5. Step 5: Solve for x
    x = 7,089,722,785,397.42/3,905,545.58
  6. Step 6: Final answer
    x = 1,815,296.39

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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.