Finding the Fourth Proportional to 2,074,211.64, 2,861,394.68 and 1,386,052.44
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Solution
The fourth proportional to 2,074,211.64, 2,861,394.68 and 1,386,052.44 is: 1,912,072.52
Step by Step Solution
- Step 1: Write the proportion equation
2,074,211.64 : 2,861,394.68 = 1,386,052.44 : x - Step 2: Convert to fraction form
2,074,211.64/2,861,394.68 = 1,386,052.44/x - Step 3: Cross multiply
2,074,211.64x = 2,861,394.68 × 1,386,052.44 - Step 4: Simplify right side
2,074,211.64x = 3,966,043,078,017.02 - Step 5: Solve for x
x = 3,966,043,078,017.02/2,074,211.64 - Step 6: Final answer
x = 1,912,072.52
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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.