Finding the Fourth Proportional to 3,808,476.40, 5,255,697 and 2,176,918.64
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Solution
The fourth proportional to 3,808,476.40, 5,255,697 and 2,176,918.64 is: 3,004,147.48
Step by Step Solution
- Step 1: Write the proportion equation
3,808,476.40 : 5,255,697 = 2,176,918.64 : x - Step 2: Convert to fraction form
3,808,476.40/5,255,697 = 2,176,918.64/x - Step 3: Cross multiply
3,808,476.40x = 5,255,697 × 2,176,918.64 - Step 4: Simplify right side
3,808,476.40x = 11,441,224,765,492.08 - Step 5: Solve for x
x = 11,441,224,765,492.08/3,808,476.40 - Step 6: Final answer
x = 3,004,147.48
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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.