Home / 1,638,466.32-2,261,051.13-913,270.77

Finding the Fourth Proportional to 1,638,466.32, 2,261,051.13 and 913,270.77

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Solution

The fourth proportional to 1,638,466.32, 2,261,051.13 and 913,270.77 is: 1,260,295.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,466.32 : 2,261,051.13 = 913,270.77 : x
  2. Step 2: Convert to fraction form
    1,638,466.32/2,261,051.13 = 913,270.77/x
  3. Step 3: Cross multiply
    1,638,466.32x = 2,261,051.13 × 913,270.77
  4. Step 4: Simplify right side
    1,638,466.32x = 2,064,951,906,504.47
  5. Step 5: Solve for x
    x = 2,064,951,906,504.47/1,638,466.32
  6. Step 6: Final answer
    x = 1,260,295.61

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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.