Home / 3,191,678.64-4,783,381.53-1,296,218.16

Finding the Fourth Proportional to 3,191,678.64, 4,783,381.53 and 1,296,218.16

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Solution

The fourth proportional to 3,191,678.64, 4,783,381.53 and 1,296,218.16 is: 1,942,647.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191,678.64 : 4,783,381.53 = 1,296,218.16 : x
  2. Step 2: Convert to fraction form
    3,191,678.64/4,783,381.53 = 1,296,218.16/x
  3. Step 3: Cross multiply
    3,191,678.64x = 4,783,381.53 × 1,296,218.16
  4. Step 4: Simplify right side
    3,191,678.64x = 6,200,306,005,394.59
  5. Step 5: Solve for x
    x = 6,200,306,005,394.59/3,191,678.64
  6. Step 6: Final answer
    x = 1,942,647.34

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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.