Home / 3,960,163.63-5,942,744.36-1,685,684.51

Finding the Fourth Proportional to 3,960,163.63, 5,942,744.36 and 1,685,684.51

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Solution

The fourth proportional to 3,960,163.63, 5,942,744.36 and 1,685,684.51 is: 2,529,590.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,163.63 : 5,942,744.36 = 1,685,684.51 : x
  2. Step 2: Convert to fraction form
    3,960,163.63/5,942,744.36 = 1,685,684.51/x
  3. Step 3: Cross multiply
    3,960,163.63x = 5,942,744.36 × 1,685,684.51
  4. Step 4: Simplify right side
    3,960,163.63x = 10,017,592,114,541.86
  5. Step 5: Solve for x
    x = 10,017,592,114,541.86/3,960,163.63
  6. Step 6: Final answer
    x = 2,529,590.45

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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.