Home / 5,461,267-7,539,381.64-3,989,522.96

Finding the Fourth Proportional to 5,461,267, 7,539,381.64 and 3,989,522.96

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Solution

The fourth proportional to 5,461,267, 7,539,381.64 and 3,989,522.96 is: 5,507,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461,267 : 7,539,381.64 = 3,989,522.96 : x
  2. Step 2: Convert to fraction form
    5,461,267/7,539,381.64 = 3,989,522.96/x
  3. Step 3: Cross multiply
    5,461,267x = 7,539,381.64 × 3,989,522.96
  4. Step 4: Simplify right side
    5,461,267x = 30,078,536,156,982.45
  5. Step 5: Solve for x
    x = 30,078,536,156,982.45/5,461,267
  6. Step 6: Final answer
    x = 5,507,611.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.