Home / 1,640,603.70-2,460,905.55-1,242,022.95

Finding the Fourth Proportional to 1,640,603.70, 2,460,905.55 and 1,242,022.95

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Solution

The fourth proportional to 1,640,603.70, 2,460,905.55 and 1,242,022.95 is: 1,863,034.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,603.70 : 2,460,905.55 = 1,242,022.95 : x
  2. Step 2: Convert to fraction form
    1,640,603.70/2,460,905.55 = 1,242,022.95/x
  3. Step 3: Cross multiply
    1,640,603.70x = 2,460,905.55 × 1,242,022.95
  4. Step 4: Simplify right side
    1,640,603.70x = 3,056,501,170,882.37
  5. Step 5: Solve for x
    x = 3,056,501,170,882.37/1,640,603.70
  6. Step 6: Final answer
    x = 1,863,034.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.