Home / 6,437,800.88-8,881,967.94-3,989,518.62

Finding the Fourth Proportional to 6,437,800.88, 8,881,967.94 and 3,989,518.62

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Solution

The fourth proportional to 6,437,800.88, 8,881,967.94 and 3,989,518.62 is: 5,504,174.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,437,800.88 : 8,881,967.94 = 3,989,518.62 : x
  2. Step 2: Convert to fraction form
    6,437,800.88/8,881,967.94 = 3,989,518.62/x
  3. Step 3: Cross multiply
    6,437,800.88x = 8,881,967.94 × 3,989,518.62
  4. Step 4: Simplify right side
    6,437,800.88x = 35,434,776,478,873.04
  5. Step 5: Solve for x
    x = 35,434,776,478,873.04/6,437,800.88
  6. Step 6: Final answer
    x = 5,504,174.04

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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.