Finding the Fourth Proportional to 5,126,651.19, 7,666,651.52 and 3,830,722.47
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Solution
The fourth proportional to 5,126,651.19, 7,666,651.52 and 3,830,722.47 is: 5,728,654.66
Step by Step Solution
- Step 1: Write the proportion equation
5,126,651.19 : 7,666,651.52 = 3,830,722.47 : x - Step 2: Convert to fraction form
5,126,651.19/7,666,651.52 = 3,830,722.47/x - Step 3: Cross multiply
5,126,651.19x = 7,666,651.52 × 3,830,722.47 - Step 4: Simplify right side
5,126,651.19x = 29,368,814,242,535.25 - Step 5: Solve for x
x = 29,368,814,242,535.25/5,126,651.19 - Step 6: Final answer
x = 5,728,654.66
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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.