Finding the Fourth Proportional to 6,910,857.85, 10,366,286.78 and 6,804,569.65
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Solution
The fourth proportional to 6,910,857.85, 10,366,286.78 and 6,804,569.65 is: 10,206,854.48
Step by Step Solution
- Step 1: Write the proportion equation
6,910,857.85 : 10,366,286.78 = 6,804,569.65 : x - Step 2: Convert to fraction form
6,910,857.85/10,366,286.78 = 6,804,569.65/x - Step 3: Cross multiply
6,910,857.85x = 10,366,286.78 × 6,804,569.65 - Step 4: Simplify right side
6,910,857.85x = 70,538,120,406,384.22 - Step 5: Solve for x
x = 70,538,120,406,384.22/6,910,857.85 - Step 6: Final answer
x = 10,206,854.48
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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.