Home / 3,689,216.72-5,532,051.75-2,091,350.78

Finding the Fourth Proportional to 3,689,216.72, 5,532,051.75 and 2,091,350.78

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Solution

The fourth proportional to 3,689,216.72, 5,532,051.75 and 2,091,350.78 is: 3,136,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,689,216.72 : 5,532,051.75 = 2,091,350.78 : x
  2. Step 2: Convert to fraction form
    3,689,216.72/5,532,051.75 = 2,091,350.78/x
  3. Step 3: Cross multiply
    3,689,216.72x = 5,532,051.75 × 2,091,350.78
  4. Step 4: Simplify right side
    3,689,216.72x = 11,569,460,742,362.87
  5. Step 5: Solve for x
    x = 11,569,460,742,362.87/3,689,216.72
  6. Step 6: Final answer
    x = 3,136,020.90

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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.