Home / 5,237,821.85-7,854,442.37-2,642,529.89

Finding the Fourth Proportional to 5,237,821.85, 7,854,442.37 and 2,642,529.89

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Solution

The fourth proportional to 5,237,821.85, 7,854,442.37 and 2,642,529.89 is: 3,962,639.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237,821.85 : 7,854,442.37 = 2,642,529.89 : x
  2. Step 2: Convert to fraction form
    5,237,821.85/7,854,442.37 = 2,642,529.89/x
  3. Step 3: Cross multiply
    5,237,821.85x = 7,854,442.37 × 2,642,529.89
  4. Step 4: Simplify right side
    5,237,821.85x = 20,755,598,679,522.58
  5. Step 5: Solve for x
    x = 20,755,598,679,522.58/5,237,821.85
  6. Step 6: Final answer
    x = 3,962,639.30

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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.