Home / 4,920,375.69-7,380,065.18-1,326,505.93

Finding the Fourth Proportional to 4,920,375.69, 7,380,065.18 and 1,326,505.93

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Solution

The fourth proportional to 4,920,375.69, 7,380,065.18 and 1,326,505.93 is: 1,989,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,375.69 : 7,380,065.18 = 1,326,505.93 : x
  2. Step 2: Convert to fraction form
    4,920,375.69/7,380,065.18 = 1,326,505.93/x
  3. Step 3: Cross multiply
    4,920,375.69x = 7,380,065.18 × 1,326,505.93
  4. Step 4: Simplify right side
    4,920,375.69x = 9,789,700,209,922.62
  5. Step 5: Solve for x
    x = 9,789,700,209,922.62/4,920,375.69
  6. Step 6: Final answer
    x = 1,989,624.54

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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.