Home / 1,664,475.27-2,296,975.10-939,475.05

Finding the Fourth Proportional to 1,664,475.27, 2,296,975.10 and 939,475.05

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Solution

The fourth proportional to 1,664,475.27, 2,296,975.10 and 939,475.05 is: 1,296,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,475.27 : 2,296,975.10 = 939,475.05 : x
  2. Step 2: Convert to fraction form
    1,664,475.27/2,296,975.10 = 939,475.05/x
  3. Step 3: Cross multiply
    1,664,475.27x = 2,296,975.10 × 939,475.05
  4. Step 4: Simplify right side
    1,664,475.27x = 2,157,950,792,223.88
  5. Step 5: Solve for x
    x = 2,157,950,792,223.88/1,664,475.27
  6. Step 6: Final answer
    x = 1,296,475.13

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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.