Home / 4,920,065.91-7,379,836.43-1,325,775.15

Finding the Fourth Proportional to 4,920,065.91, 7,379,836.43 and 1,325,775.15

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Solution

The fourth proportional to 4,920,065.91, 7,379,836.43 and 1,325,775.15 is: 1,988,592.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,065.91 : 7,379,836.43 = 1,325,775.15 : x
  2. Step 2: Convert to fraction form
    4,920,065.91/7,379,836.43 = 1,325,775.15/x
  3. Step 3: Cross multiply
    4,920,065.91x = 7,379,836.43 × 1,325,775.15
  4. Step 4: Simplify right side
    4,920,065.91x = 9,784,003,743,329.84
  5. Step 5: Solve for x
    x = 9,784,003,743,329.84/4,920,065.91
  6. Step 6: Final answer
    x = 1,988,592.01

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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.