Home / 3,905,135.45-5,388,445.42-2,453,803.07

Finding the Fourth Proportional to 3,905,135.45, 5,388,445.42 and 2,453,803.07

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Solution

The fourth proportional to 3,905,135.45, 5,388,445.42 and 2,453,803.07 is: 3,385,845.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,135.45 : 5,388,445.42 = 2,453,803.07 : x
  2. Step 2: Convert to fraction form
    3,905,135.45/5,388,445.42 = 2,453,803.07/x
  3. Step 3: Cross multiply
    3,905,135.45x = 5,388,445.42 × 2,453,803.07
  4. Step 4: Simplify right side
    3,905,135.45x = 13,222,183,881,046.71
  5. Step 5: Solve for x
    x = 13,222,183,881,046.71/3,905,135.45
  6. Step 6: Final answer
    x = 3,385,845.14

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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.