Home / 2,938,865.36-4,055,266.89-1,631,939.67

Finding the Fourth Proportional to 2,938,865.36, 4,055,266.89 and 1,631,939.67

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Solution

The fourth proportional to 2,938,865.36, 4,055,266.89 and 1,631,939.67 is: 2,251,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,938,865.36 : 4,055,266.89 = 1,631,939.67 : x
  2. Step 2: Convert to fraction form
    2,938,865.36/4,055,266.89 = 1,631,939.67/x
  3. Step 3: Cross multiply
    2,938,865.36x = 4,055,266.89 × 1,631,939.67
  4. Step 4: Simplify right side
    2,938,865.36x = 6,617,950,910,228.53
  5. Step 5: Solve for x
    x = 6,617,950,910,228.53/2,938,865.36
  6. Step 6: Final answer
    x = 2,251,872.78

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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.