Finding the Fourth Proportional to 3,748,364.75, 5,622,547.12 and 908,476.91
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Solution
The fourth proportional to 3,748,364.75, 5,622,547.12 and 908,476.91 is: 1,362,715.36
Step by Step Solution
- Step 1: Write the proportion equation
3,748,364.75 : 5,622,547.12 = 908,476.91 : x - Step 2: Convert to fraction form
3,748,364.75/5,622,547.12 = 908,476.91/x - Step 3: Cross multiply
3,748,364.75x = 5,622,547.12 × 908,476.91 - Step 4: Simplify right side
3,748,364.75x = 5,107,954,211,349.30 - Step 5: Solve for x
x = 5,107,954,211,349.30/3,748,364.75 - Step 6: Final answer
x = 1,362,715.36
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1.5x scale
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.