Home / 2,938,588.74-4,055,115.96-1,631,923.74

Finding the Fourth Proportional to 2,938,588.74, 4,055,115.96 and 1,631,923.74

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Solution

The fourth proportional to 2,938,588.74, 4,055,115.96 and 1,631,923.74 is: 2,251,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,588.74 : 4,055,115.96 = 1,631,923.74 : x
  2. Step 2: Convert to fraction form
    2,938,588.74/4,055,115.96 = 1,631,923.74/x
  3. Step 3: Cross multiply
    2,938,588.74x = 4,055,115.96 × 1,631,923.74
  4. Step 4: Simplify right side
    2,938,588.74x = 6,617,640,003,576.89
  5. Step 5: Solve for x
    x = 6,617,640,003,576.89/2,938,588.74
  6. Step 6: Final answer
    x = 2,251,978.96

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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.