Home / 1,678,149.37-2,316,013.41-1,024,739.38

Finding the Fourth Proportional to 1,678,149.37, 2,316,013.41 and 1,024,739.38

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Solution

The fourth proportional to 1,678,149.37, 2,316,013.41 and 1,024,739.38 is: 1,414,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,149.37 : 2,316,013.41 = 1,024,739.38 : x
  2. Step 2: Convert to fraction form
    1,678,149.37/2,316,013.41 = 1,024,739.38/x
  3. Step 3: Cross multiply
    1,678,149.37x = 2,316,013.41 × 1,024,739.38
  4. Step 4: Simplify right side
    1,678,149.37x = 2,373,310,145,835.09
  5. Step 5: Solve for x
    x = 2,373,310,145,835.09/1,678,149.37
  6. Step 6: Final answer
    x = 1,414,242.49

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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.