Home / 2,180,938.54-3,009,747.96-1,214,134.19

Finding the Fourth Proportional to 2,180,938.54, 3,009,747.96 and 1,214,134.19

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Solution

The fourth proportional to 2,180,938.54, 3,009,747.96 and 1,214,134.19 is: 1,675,534.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,938.54 : 3,009,747.96 = 1,214,134.19 : x
  2. Step 2: Convert to fraction form
    2,180,938.54/3,009,747.96 = 1,214,134.19/x
  3. Step 3: Cross multiply
    2,180,938.54x = 3,009,747.96 × 1,214,134.19
  4. Step 4: Simplify right side
    2,180,938.54x = 3,654,237,893,994.38
  5. Step 5: Solve for x
    x = 3,654,237,893,994.38/2,180,938.54
  6. Step 6: Final answer
    x = 1,675,534.56

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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.