Home / 5,271,420.72-7,904,134.74-2,074,814.04

Finding the Fourth Proportional to 5,271,420.72, 7,904,134.74 and 2,074,814.04

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Solution

The fourth proportional to 5,271,420.72, 7,904,134.74 and 2,074,814.04 is: 3,111,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,271,420.72 : 7,904,134.74 = 2,074,814.04 : x
  2. Step 2: Convert to fraction form
    5,271,420.72/7,904,134.74 = 2,074,814.04/x
  3. Step 3: Cross multiply
    5,271,420.72x = 7,904,134.74 × 2,074,814.04
  4. Step 4: Simplify right side
    5,271,420.72x = 16,399,609,732,603.75
  5. Step 5: Solve for x
    x = 16,399,609,732,603.75/5,271,420.72
  6. Step 6: Final answer
    x = 3,111,041.71

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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.