Home / 1,980,104.22-2,971,405.80-842,864.58

Finding the Fourth Proportional to 1,980,104.22, 2,971,405.80 and 842,864.58

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Solution

The fourth proportional to 1,980,104.22, 2,971,405.80 and 842,864.58 is: 1,264,828.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,104.22 : 2,971,405.80 = 842,864.58 : x
  2. Step 2: Convert to fraction form
    1,980,104.22/2,971,405.80 = 842,864.58/x
  3. Step 3: Cross multiply
    1,980,104.22x = 2,971,405.80 × 842,864.58
  4. Step 4: Simplify right side
    1,980,104.22x = 2,504,492,701,626.56
  5. Step 5: Solve for x
    x = 2,504,492,701,626.56/1,980,104.22
  6. Step 6: Final answer
    x = 1,264,828.73

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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.