Finding the Fourth Proportional to 4,811,748.16, 6,638,577.60 and 2,745,279.12
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Solution
The fourth proportional to 4,811,748.16, 6,638,577.60 and 2,745,279.12 is: 3,787,552.44
Step by Step Solution
- Step 1: Write the proportion equation
4,811,748.16 : 6,638,577.60 = 2,745,279.12 : x - Step 2: Convert to fraction form
4,811,748.16/6,638,577.60 = 2,745,279.12/x - Step 3: Cross multiply
4,811,748.16x = 6,638,577.60 × 2,745,279.12 - Step 4: Simplify right side
4,811,748.16x = 18,224,748,471,779.71 - Step 5: Solve for x
x = 18,224,748,471,779.71/4,811,748.16 - Step 6: Final answer
x = 3,787,552.44
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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.