Home / 1,638,243.40-2,457,365.10-1,467,001.30

Finding the Fourth Proportional to 1,638,243.40, 2,457,365.10 and 1,467,001.30

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Solution

The fourth proportional to 1,638,243.40, 2,457,365.10 and 1,467,001.30 is: 2,200,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,243.40 : 2,457,365.10 = 1,467,001.30 : x
  2. Step 2: Convert to fraction form
    1,638,243.40/2,457,365.10 = 1,467,001.30/x
  3. Step 3: Cross multiply
    1,638,243.40x = 2,457,365.10 × 1,467,001.30
  4. Step 4: Simplify right side
    1,638,243.40x = 3,604,957,796,274.63
  5. Step 5: Solve for x
    x = 3,604,957,796,274.63/1,638,243.40
  6. Step 6: Final answer
    x = 2,200,501.95

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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.