Home / 3,938,078.25-5,434,552.85-2,127,242.25

Finding the Fourth Proportional to 3,938,078.25, 5,434,552.85 and 2,127,242.25

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Solution

The fourth proportional to 3,938,078.25, 5,434,552.85 and 2,127,242.25 is: 2,935,596.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,078.25 : 5,434,552.85 = 2,127,242.25 : x
  2. Step 2: Convert to fraction form
    3,938,078.25/5,434,552.85 = 2,127,242.25/x
  3. Step 3: Cross multiply
    3,938,078.25x = 5,434,552.85 × 2,127,242.25
  4. Step 4: Simplify right side
    3,938,078.25x = 11,560,610,421,741.70
  5. Step 5: Solve for x
    x = 11,560,610,421,741.70/3,938,078.25
  6. Step 6: Final answer
    x = 2,935,596.93

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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.