Home / 2,141,089.20-2,954,698.56-1,235,671.20

Finding the Fourth Proportional to 2,141,089.20, 2,954,698.56 and 1,235,671.20

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Solution

The fourth proportional to 2,141,089.20, 2,954,698.56 and 1,235,671.20 is: 1,705,223.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,089.20 : 2,954,698.56 = 1,235,671.20 : x
  2. Step 2: Convert to fraction form
    2,141,089.20/2,954,698.56 = 1,235,671.20/x
  3. Step 3: Cross multiply
    2,141,089.20x = 2,954,698.56 × 1,235,671.20
  4. Step 4: Simplify right side
    2,141,089.20x = 3,651,035,915,273.47
  5. Step 5: Solve for x
    x = 3,651,035,915,273.47/2,141,089.20
  6. Step 6: Final answer
    x = 1,705,223.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.