Home / 3,905,545.82-5,858,875.18-1,210,082.90

Finding the Fourth Proportional to 3,905,545.82, 5,858,875.18 and 1,210,082.90

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Solution

The fourth proportional to 3,905,545.82, 5,858,875.18 and 1,210,082.90 is: 1,815,296.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,545.82 : 5,858,875.18 = 1,210,082.90 : x
  2. Step 2: Convert to fraction form
    3,905,545.82/5,858,875.18 = 1,210,082.90/x
  3. Step 3: Cross multiply
    3,905,545.82x = 5,858,875.18 × 1,210,082.90
  4. Step 4: Simplify right side
    3,905,545.82x = 7,089,724,668,552.42
  5. Step 5: Solve for x
    x = 7,089,724,668,552.42/3,905,545.82
  6. Step 6: Final answer
    x = 1,815,296.76

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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.