Home / 2,628,348.12-3,942,510.84-1,029,782.34

Finding the Fourth Proportional to 2,628,348.12, 3,942,510.84 and 1,029,782.34

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Solution

The fourth proportional to 2,628,348.12, 3,942,510.84 and 1,029,782.34 is: 1,544,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,348.12 : 3,942,510.84 = 1,029,782.34 : x
  2. Step 2: Convert to fraction form
    2,628,348.12/3,942,510.84 = 1,029,782.34/x
  3. Step 3: Cross multiply
    2,628,348.12x = 3,942,510.84 × 1,029,782.34
  4. Step 4: Simplify right side
    2,628,348.12x = 4,059,928,038,290.57
  5. Step 5: Solve for x
    x = 4,059,928,038,290.57/2,628,348.12
  6. Step 6: Final answer
    x = 1,544,669.07

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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.