Home / 5,237,871.85-7,854,516.86-2,642,579.45

Finding the Fourth Proportional to 5,237,871.85, 7,854,516.86 and 2,642,579.45

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Solution

The fourth proportional to 5,237,871.85, 7,854,516.86 and 2,642,579.45 is: 3,962,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,871.85 : 7,854,516.86 = 2,642,579.45 : x
  2. Step 2: Convert to fraction form
    5,237,871.85/7,854,516.86 = 2,642,579.45/x
  3. Step 3: Cross multiply
    5,237,871.85x = 7,854,516.86 × 2,642,579.45
  4. Step 4: Simplify right side
    5,237,871.85x = 20,756,184,835,747.99
  5. Step 5: Solve for x
    x = 20,756,184,835,747.99/5,237,871.85
  6. Step 6: Final answer
    x = 3,962,713.38

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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.