Finding the Fourth Proportional to 1,892,630.52, 2,838,985.08 and 678,286.08
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Solution
The fourth proportional to 1,892,630.52, 2,838,985.08 and 678,286.08 is: 1,017,443.20
Step by Step Solution
- Step 1: Write the proportion equation
1,892,630.52 : 2,838,985.08 = 678,286.08 : x - Step 2: Convert to fraction form
1,892,630.52/2,838,985.08 = 678,286.08/x - Step 3: Cross multiply
1,892,630.52x = 2,838,985.08 × 678,286.08 - Step 4: Simplify right side
1,892,630.52x = 1,925,644,061,091.69 - Step 5: Solve for x
x = 1,925,644,061,091.69/1,892,630.52 - Step 6: Final answer
x = 1,017,443.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.