Home / 5,355,126.96-7,389,873.39-2,907,685.09

Finding the Fourth Proportional to 5,355,126.96, 7,389,873.39 and 2,907,685.09

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Solution

The fourth proportional to 5,355,126.96, 7,389,873.39 and 2,907,685.09 is: 4,012,495.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,126.96 : 7,389,873.39 = 2,907,685.09 : x
  2. Step 2: Convert to fraction form
    5,355,126.96/7,389,873.39 = 2,907,685.09/x
  3. Step 3: Cross multiply
    5,355,126.96x = 7,389,873.39 × 2,907,685.09
  4. Step 4: Simplify right side
    5,355,126.96x = 21,487,424,673,090.75
  5. Step 5: Solve for x
    x = 21,487,424,673,090.75/5,355,126.96
  6. Step 6: Final answer
    x = 4,012,495.84

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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.