Home / 4,920,134.16-7,379,938.80-1,325,843.40

Finding the Fourth Proportional to 4,920,134.16, 7,379,938.80 and 1,325,843.40

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Solution

The fourth proportional to 4,920,134.16, 7,379,938.80 and 1,325,843.40 is: 1,988,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,134.16 : 7,379,938.80 = 1,325,843.40 : x
  2. Step 2: Convert to fraction form
    4,920,134.16/7,379,938.80 = 1,325,843.40/x
  3. Step 3: Cross multiply
    4,920,134.16x = 7,379,938.80 × 1,325,843.40
  4. Step 4: Simplify right side
    4,920,134.16x = 9,784,643,150,383.92
  5. Step 5: Solve for x
    x = 9,784,643,150,383.92/4,920,134.16
  6. Step 6: Final answer
    x = 1,988,694.38

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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.