Home / 4,920,070.41-7,379,843.18-1,325,779.65

Finding the Fourth Proportional to 4,920,070.41, 7,379,843.18 and 1,325,779.65

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Solution

The fourth proportional to 4,920,070.41, 7,379,843.18 and 1,325,779.65 is: 1,988,598.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,070.41 : 7,379,843.18 = 1,325,779.65 : x
  2. Step 2: Convert to fraction form
    4,920,070.41/7,379,843.18 = 1,325,779.65/x
  3. Step 3: Cross multiply
    4,920,070.41x = 7,379,843.18 × 1,325,779.65
  4. Step 4: Simplify right side
    4,920,070.41x = 9,784,045,901,606.39
  5. Step 5: Solve for x
    x = 9,784,045,901,606.39/4,920,070.41
  6. Step 6: Final answer
    x = 1,988,598.76

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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.