Finding the Fourth Proportional to 5,235,836.18, 7,852,879.47 and 1,449,701.78
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Solution
The fourth proportional to 5,235,836.18, 7,852,879.47 and 1,449,701.78 is: 2,174,310.45
Step by Step Solution
- Step 1: Write the proportion equation
5,235,836.18 : 7,852,879.47 = 1,449,701.78 : x - Step 2: Convert to fraction form
5,235,836.18/7,852,879.47 = 1,449,701.78/x - Step 3: Cross multiply
5,235,836.18x = 7,852,879.47 × 1,449,701.78 - Step 4: Simplify right side
5,235,836.18x = 11,384,333,345,784.46 - Step 5: Solve for x
x = 11,384,333,345,784.46/5,235,836.18 - Step 6: Final answer
x = 2,174,310.45
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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.