Home / 1,664,561.61-2,297,102.90-939,439.89

Finding the Fourth Proportional to 1,664,561.61, 2,297,102.90 and 939,439.89

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Solution

The fourth proportional to 1,664,561.61, 2,297,102.90 and 939,439.89 is: 1,296,431.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,561.61 : 2,297,102.90 = 939,439.89 : x
  2. Step 2: Convert to fraction form
    1,664,561.61/2,297,102.90 = 939,439.89/x
  3. Step 3: Cross multiply
    1,664,561.61x = 2,297,102.90 × 939,439.89
  4. Step 4: Simplify right side
    1,664,561.61x = 2,157,990,090,997.48
  5. Step 5: Solve for x
    x = 2,157,990,090,997.48/1,664,561.61
  6. Step 6: Final answer
    x = 1,296,431.49

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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.