Finding the Fourth Proportional to 3,849,543.56, 5,312,305.68 and 2,130,627.26
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Solution
The fourth proportional to 3,849,543.56, 5,312,305.68 and 2,130,627.26 is: 2,940,229.96
Step by Step Solution
- Step 1: Write the proportion equation
3,849,543.56 : 5,312,305.68 = 2,130,627.26 : x - Step 2: Convert to fraction form
3,849,543.56/5,312,305.68 = 2,130,627.26/x - Step 3: Cross multiply
3,849,543.56x = 5,312,305.68 × 2,130,627.26 - Step 4: Simplify right side
3,849,543.56x = 11,318,543,295,260.84 - Step 5: Solve for x
x = 11,318,543,295,260.84/3,849,543.56 - Step 6: Final answer
x = 2,940,229.96
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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.