Finding the Fourth Proportional to 2,974,655.44, 4,104,690.69 and 1,685,219.68
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Solution
The fourth proportional to 2,974,655.44, 4,104,690.69 and 1,685,219.68 is: 2,325,414.04
Step by Step Solution
- Step 1: Write the proportion equation
2,974,655.44 : 4,104,690.69 = 1,685,219.68 : x - Step 2: Convert to fraction form
2,974,655.44/4,104,690.69 = 1,685,219.68/x - Step 3: Cross multiply
2,974,655.44x = 4,104,690.69 × 1,685,219.68 - Step 4: Simplify right side
2,974,655.44x = 6,917,305,531,100.78 - Step 5: Solve for x
x = 6,917,305,531,100.78/2,974,655.44 - Step 6: Final answer
x = 2,325,414.04
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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.