Finding the Fourth Proportional to 4,802,862.13, 7,203,760.75 and 1,208,630.05
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Solution
The fourth proportional to 4,802,862.13, 7,203,760.75 and 1,208,630.05 is: 1,812,811.09
Step by Step Solution
- Step 1: Write the proportion equation
4,802,862.13 : 7,203,760.75 = 1,208,630.05 : x - Step 2: Convert to fraction form
4,802,862.13/7,203,760.75 = 1,208,630.05/x - Step 3: Cross multiply
4,802,862.13x = 7,203,760.75 × 1,208,630.05 - Step 4: Simplify right side
4,802,862.13x = 8,706,681,715,460.54 - Step 5: Solve for x
x = 8,706,681,715,460.54/4,802,862.13 - Step 6: Final answer
x = 1,812,811.09
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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.