Finding the Fourth Proportional to 5,437,897.61, 7,504,126.89 and 2,990,501.09
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Solution
The fourth proportional to 5,437,897.61, 7,504,126.89 and 2,990,501.09 is: 4,126,797.02
Step by Step Solution
- Step 1: Write the proportion equation
5,437,897.61 : 7,504,126.89 = 2,990,501.09 : x - Step 2: Convert to fraction form
5,437,897.61/7,504,126.89 = 2,990,501.09/x - Step 3: Cross multiply
5,437,897.61x = 7,504,126.89 × 2,990,501.09 - Step 4: Simplify right side
5,437,897.61x = 22,441,099,606,522.68 - Step 5: Solve for x
x = 22,441,099,606,522.68/5,437,897.61 - Step 6: Final answer
x = 4,126,797.02
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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.