Finding the Fourth Proportional to 3,817,220.22, 5,267,774.79 and 2,185,653.42
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Solution
The fourth proportional to 3,817,220.22, 5,267,774.79 and 2,185,653.42 is: 3,016,207.95
Step by Step Solution
- Step 1: Write the proportion equation
3,817,220.22 : 5,267,774.79 = 2,185,653.42 : x - Step 2: Convert to fraction form
3,817,220.22/5,267,774.79 = 2,185,653.42/x - Step 3: Cross multiply
3,817,220.22x = 5,267,774.79 × 2,185,653.42 - Step 4: Simplify right side
3,817,220.22x = 11,513,529,985,553.28 - Step 5: Solve for x
x = 11,513,529,985,553.28/3,817,220.22 - Step 6: Final answer
x = 3,016,207.95
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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.