Home / 1,976,947.79-2,962,354.46-1,370,918.21

Finding the Fourth Proportional to 1,976,947.79, 2,962,354.46 and 1,370,918.21

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Solution

The fourth proportional to 1,976,947.79, 2,962,354.46 and 1,370,918.21 is: 2,054,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,947.79 : 2,962,354.46 = 1,370,918.21 : x
  2. Step 2: Convert to fraction form
    1,976,947.79/2,962,354.46 = 1,370,918.21/x
  3. Step 3: Cross multiply
    1,976,947.79x = 2,962,354.46 × 1,370,918.21
  4. Step 4: Simplify right side
    1,976,947.79x = 4,061,145,652,022.35
  5. Step 5: Solve for x
    x = 4,061,145,652,022.35/1,976,947.79
  6. Step 6: Final answer
    x = 2,054,250.34

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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.