Finding the Fourth Proportional to 2,380,776.33, 3,285,495.09 and 1,293,058.11
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Solution
The fourth proportional to 2,380,776.33, 3,285,495.09 and 1,293,058.11 is: 1,784,433.09
Step by Step Solution
- Step 1: Write the proportion equation
2,380,776.33 : 3,285,495.09 = 1,293,058.11 : x - Step 2: Convert to fraction form
2,380,776.33/3,285,495.09 = 1,293,058.11/x - Step 3: Cross multiply
2,380,776.33x = 3,285,495.09 × 1,293,058.11 - Step 4: Simplify right side
2,380,776.33x = 4,248,336,071,489.68 - Step 5: Solve for x
x = 4,248,336,071,489.68/2,380,776.33 - Step 6: Final answer
x = 1,784,433.09
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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.