Home / 3,103,135.40-4,654,703.10-2,879,186.60

Finding the Fourth Proportional to 3,103,135.40, 4,654,703.10 and 2,879,186.60

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Solution

The fourth proportional to 3,103,135.40, 4,654,703.10 and 2,879,186.60 is: 4,318,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103,135.40 : 4,654,703.10 = 2,879,186.60 : x
  2. Step 2: Convert to fraction form
    3,103,135.40/4,654,703.10 = 2,879,186.60/x
  3. Step 3: Cross multiply
    3,103,135.40x = 4,654,703.10 × 2,879,186.60
  4. Step 4: Simplify right side
    3,103,135.40x = 13,401,758,792,498.46
  5. Step 5: Solve for x
    x = 13,401,758,792,498.46/3,103,135.40
  6. Step 6: Final answer
    x = 4,318,779.90

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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.