Home / 4,920,290.10-7,380,435.15-3,131,105.40

Finding the Fourth Proportional to 4,920,290.10, 7,380,435.15 and 3,131,105.40

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Solution

The fourth proportional to 4,920,290.10, 7,380,435.15 and 3,131,105.40 is: 4,696,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,290.10 : 7,380,435.15 = 3,131,105.40 : x
  2. Step 2: Convert to fraction form
    4,920,290.10/7,380,435.15 = 3,131,105.40/x
  3. Step 3: Cross multiply
    4,920,290.10x = 7,380,435.15 × 3,131,105.40
  4. Step 4: Simplify right side
    4,920,290.10x = 23,108,920,352,514.81
  5. Step 5: Solve for x
    x = 23,108,920,352,514.81/4,920,290.10
  6. Step 6: Final answer
    x = 4,696,658.10

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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.