Home / 2,190,130.40-3,285,156.72-1,124,546.24

Finding the Fourth Proportional to 2,190,130.40, 3,285,156.72 and 1,124,546.24

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Solution

The fourth proportional to 2,190,130.40, 3,285,156.72 and 1,124,546.24 is: 1,686,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,130.40 : 3,285,156.72 = 1,124,546.24 : x
  2. Step 2: Convert to fraction form
    2,190,130.40/3,285,156.72 = 1,124,546.24/x
  3. Step 3: Cross multiply
    2,190,130.40x = 3,285,156.72 × 1,124,546.24
  4. Step 4: Simplify right side
    2,190,130.40x = 3,694,310,637,286.73
  5. Step 5: Solve for x
    x = 3,694,310,637,286.73/2,190,130.40
  6. Step 6: Final answer
    x = 1,686,799.40

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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.