Finding the Fourth Proportional to 4,487,412.88, 6,192,605.28 and 2,450,207.80
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Solution
The fourth proportional to 4,487,412.88, 6,192,605.28 and 2,450,207.80 is: 3,381,273.39
Step by Step Solution
- Step 1: Write the proportion equation
4,487,412.88 : 6,192,605.28 = 2,450,207.80 : x - Step 2: Convert to fraction form
4,487,412.88/6,192,605.28 = 2,450,207.80/x - Step 3: Cross multiply
4,487,412.88x = 6,192,605.28 × 2,450,207.80 - Step 4: Simplify right side
4,487,412.88x = 15,173,169,759,377.18 - Step 5: Solve for x
x = 15,173,169,759,377.18/4,487,412.88 - Step 6: Final answer
x = 3,381,273.39
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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.