Finding the Fourth Proportional to 5,274,840.26, 7,912,901.10 and 1,488,323.54
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Solution
The fourth proportional to 5,274,840.26, 7,912,901.10 and 1,488,323.54 is: 2,232,666.09
Step by Step Solution
- Step 1: Write the proportion equation
5,274,840.26 : 7,912,901.10 = 1,488,323.54 : x - Step 2: Convert to fraction form
5,274,840.26/7,912,901.10 = 1,488,323.54/x - Step 3: Cross multiply
5,274,840.26x = 7,912,901.10 × 1,488,323.54 - Step 4: Simplify right side
5,274,840.26x = 11,776,956,976,821.89 - Step 5: Solve for x
x = 11,776,956,976,821.89/5,274,840.26 - Step 6: Final answer
x = 2,232,666.09
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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.