Finding the Fourth Proportional to 3,680,419.84, 5,078,927.36 and 2,070,784
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Solution
The fourth proportional to 3,680,419.84, 5,078,927.36 and 2,070,784 is: 2,857,652.65
Step by Step Solution
- Step 1: Write the proportion equation
3,680,419.84 : 5,078,927.36 = 2,070,784 : x - Step 2: Convert to fraction form
3,680,419.84/5,078,927.36 = 2,070,784/x - Step 3: Cross multiply
3,680,419.84x = 5,078,927.36 × 2,070,784 - Step 4: Simplify right side
3,680,419.84x = 10,517,361,514,250.24 - Step 5: Solve for x
x = 10,517,361,514,250.24/3,680,419.84 - Step 6: Final answer
x = 2,857,652.65
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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.