Home / 2,133,674.82-3,200,830.47-785,733.78

Finding the Fourth Proportional to 2,133,674.82, 3,200,830.47 and 785,733.78

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Solution

The fourth proportional to 2,133,674.82, 3,200,830.47 and 785,733.78 is: 1,178,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,133,674.82 : 3,200,830.47 = 785,733.78 : x
  2. Step 2: Convert to fraction form
    2,133,674.82/3,200,830.47 = 785,733.78/x
  3. Step 3: Cross multiply
    2,133,674.82x = 3,200,830.47 × 785,733.78
  4. Step 4: Simplify right side
    2,133,674.82x = 2,515,000,624,332.28
  5. Step 5: Solve for x
    x = 2,515,000,624,332.28/2,133,674.82
  6. Step 6: Final answer
    x = 1,178,717.86

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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.