Home / 3,431,138.40-5,145,152.40-1,300,514.40

Finding the Fourth Proportional to 3,431,138.40, 5,145,152.40 and 1,300,514.40

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Solution

The fourth proportional to 3,431,138.40, 5,145,152.40 and 1,300,514.40 is: 1,950,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431,138.40 : 5,145,152.40 = 1,300,514.40 : x
  2. Step 2: Convert to fraction form
    3,431,138.40/5,145,152.40 = 1,300,514.40/x
  3. Step 3: Cross multiply
    3,431,138.40x = 5,145,152.40 × 1,300,514.40
  4. Step 4: Simplify right side
    3,431,138.40x = 6,691,344,786,394.56
  5. Step 5: Solve for x
    x = 6,691,344,786,394.56/3,431,138.40
  6. Step 6: Final answer
    x = 1,950,182.13

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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.