Home / 1,980,084.88-2,971,376.75-842,845.26

Finding the Fourth Proportional to 1,980,084.88, 2,971,376.75 and 842,845.26

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Solution

The fourth proportional to 1,980,084.88, 2,971,376.75 and 842,845.26 is: 1,264,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,084.88 : 2,971,376.75 = 842,845.26 : x
  2. Step 2: Convert to fraction form
    1,980,084.88/2,971,376.75 = 842,845.26/x
  3. Step 3: Cross multiply
    1,980,084.88x = 2,971,376.75 × 842,845.26
  4. Step 4: Simplify right side
    1,980,084.88x = 2,504,410,809,411.71
  5. Step 5: Solve for x
    x = 2,504,410,809,411.71/1,980,084.88
  6. Step 6: Final answer
    x = 1,264,799.72

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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.