Home / 3,105,412.52-4,655,348.46-1,211,713.40

Finding the Fourth Proportional to 3,105,412.52, 4,655,348.46 and 1,211,713.40

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Solution

The fourth proportional to 3,105,412.52, 4,655,348.46 and 1,211,713.40 is: 1,816,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105,412.52 : 4,655,348.46 = 1,211,713.40 : x
  2. Step 2: Convert to fraction form
    3,105,412.52/4,655,348.46 = 1,211,713.40/x
  3. Step 3: Cross multiply
    3,105,412.52x = 4,655,348.46 × 1,211,713.40
  4. Step 4: Simplify right side
    3,105,412.52x = 5,640,948,110,651.36
  5. Step 5: Solve for x
    x = 5,640,948,110,651.36/3,105,412.52
  6. Step 6: Final answer
    x = 1,816,489.14

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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.