Home / 1,620,246.35-2,429,806.70-901,684.61

Finding the Fourth Proportional to 1,620,246.35, 2,429,806.70 and 901,684.61

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Solution

The fourth proportional to 1,620,246.35, 2,429,806.70 and 901,684.61 is: 1,352,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,246.35 : 2,429,806.70 = 901,684.61 : x
  2. Step 2: Convert to fraction form
    1,620,246.35/2,429,806.70 = 901,684.61/x
  3. Step 3: Cross multiply
    1,620,246.35x = 2,429,806.70 × 901,684.61
  4. Step 4: Simplify right side
    1,620,246.35x = 2,190,919,290,007.43
  5. Step 5: Solve for x
    x = 2,190,919,290,007.43/1,620,246.35
  6. Step 6: Final answer
    x = 1,352,213.69

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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.