Finding the Fourth Proportional to 6,435,530.80, 9,653,148.60 and 3,239,798.80
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Solution
The fourth proportional to 6,435,530.80, 9,653,148.60 and 3,239,798.80 is: 4,859,623.89
Step by Step Solution
- Step 1: Write the proportion equation
6,435,530.80 : 9,653,148.60 = 3,239,798.80 : x - Step 2: Convert to fraction form
6,435,530.80/9,653,148.60 = 3,239,798.80/x - Step 3: Cross multiply
6,435,530.80x = 9,653,148.60 × 3,239,798.80 - Step 4: Simplify right side
6,435,530.80x = 31,274,259,250,501.68 - Step 5: Solve for x
x = 31,274,259,250,501.68/6,435,530.80 - Step 6: Final answer
x = 4,859,623.89
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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.