Home / 1,936,405.70-2,904,608.55-1,401,416.90

Finding the Fourth Proportional to 1,936,405.70, 2,904,608.55 and 1,401,416.90

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Solution

The fourth proportional to 1,936,405.70, 2,904,608.55 and 1,401,416.90 is: 2,102,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936,405.70 : 2,904,608.55 = 1,401,416.90 : x
  2. Step 2: Convert to fraction form
    1,936,405.70/2,904,608.55 = 1,401,416.90/x
  3. Step 3: Cross multiply
    1,936,405.70x = 2,904,608.55 × 1,401,416.90
  4. Step 4: Simplify right side
    1,936,405.70x = 4,070,567,509,854.49
  5. Step 5: Solve for x
    x = 4,070,567,509,854.49/1,936,405.70
  6. Step 6: Final answer
    x = 2,102,125.35

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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.