Finding the Fourth Proportional to 6,925,328.48, 9,556,933.12 and 3,869,545.12
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Solution
The fourth proportional to 6,925,328.48, 9,556,933.12 and 3,869,545.12 is: 5,339,960.99
Step by Step Solution
- Step 1: Write the proportion equation
6,925,328.48 : 9,556,933.12 = 3,869,545.12 : x - Step 2: Convert to fraction form
6,925,328.48/9,556,933.12 = 3,869,545.12/x - Step 3: Cross multiply
6,925,328.48x = 9,556,933.12 × 3,869,545.12 - Step 4: Simplify right side
6,925,328.48x = 36,980,983,916,662.38 - Step 5: Solve for x
x = 36,980,983,916,662.38/6,925,328.48 - Step 6: Final answer
x = 5,339,960.99
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1.5x scale
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.