Home / 2,668,636.11-4,003,199.90-871,529.01

Finding the Fourth Proportional to 2,668,636.11, 4,003,199.90 and 871,529.01

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Solution

The fourth proportional to 2,668,636.11, 4,003,199.90 and 871,529.01 is: 1,307,373.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,668,636.11 : 4,003,199.90 = 871,529.01 : x
  2. Step 2: Convert to fraction form
    2,668,636.11/4,003,199.90 = 871,529.01/x
  3. Step 3: Cross multiply
    2,668,636.11x = 4,003,199.90 × 871,529.01
  4. Step 4: Simplify right side
    2,668,636.11x = 3,488,904,845,679.10
  5. Step 5: Solve for x
    x = 3,488,904,845,679.10/2,668,636.11
  6. Step 6: Final answer
    x = 1,307,373.77

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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.