Finding the Fourth Proportional to 4,856,861.39, 6,702,478.67 and 2,681,408.75
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Solution
The fourth proportional to 4,856,861.39, 6,702,478.67 and 2,681,408.75 is: 3,700,349.57
Step by Step Solution
- Step 1: Write the proportion equation
4,856,861.39 : 6,702,478.67 = 2,681,408.75 : x - Step 2: Convert to fraction form
4,856,861.39/6,702,478.67 = 2,681,408.75/x - Step 3: Cross multiply
4,856,861.39x = 6,702,478.67 × 2,681,408.75 - Step 4: Simplify right side
4,856,861.39x = 17,972,084,975,886.08 - Step 5: Solve for x
x = 17,972,084,975,886.08/4,856,861.39 - Step 6: Final answer
x = 3,700,349.57
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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.