Home / 5,230,795.19-7,218,219.83-2,938,808.25

Finding the Fourth Proportional to 5,230,795.19, 7,218,219.83 and 2,938,808.25

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Solution

The fourth proportional to 5,230,795.19, 7,218,219.83 and 2,938,808.25 is: 4,055,399.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230,795.19 : 7,218,219.83 = 2,938,808.25 : x
  2. Step 2: Convert to fraction form
    5,230,795.19/7,218,219.83 = 2,938,808.25/x
  3. Step 3: Cross multiply
    5,230,795.19x = 7,218,219.83 × 2,938,808.25
  4. Step 4: Simplify right side
    5,230,795.19x = 21,212,963,972,023.56
  5. Step 5: Solve for x
    x = 21,212,963,972,023.56/5,230,795.19
  6. Step 6: Final answer
    x = 4,055,399.46

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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.