Home / 4,920,480.93-7,379,880.15-1,325,407.10

Finding the Fourth Proportional to 4,920,480.93, 7,379,880.15 and 1,325,407.10

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Solution

The fourth proportional to 4,920,480.93, 7,379,880.15 and 1,325,407.10 is: 1,987,884.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,480.93 : 7,379,880.15 = 1,325,407.10 : x
  2. Step 2: Convert to fraction form
    4,920,480.93/7,379,880.15 = 1,325,407.10/x
  3. Step 3: Cross multiply
    4,920,480.93x = 7,379,880.15 × 1,325,407.10
  4. Step 4: Simplify right side
    4,920,480.93x = 9,781,345,511,059.66
  5. Step 5: Solve for x
    x = 9,781,345,511,059.66/4,920,480.93
  6. Step 6: Final answer
    x = 1,987,884.04

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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.