Finding the Fourth Proportional to 6,318,753.12, 8,718,590.88 and 3,739,142.88
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Solution
The fourth proportional to 6,318,753.12, 8,718,590.88 and 3,739,142.88 is: 5,159,254.74
Step by Step Solution
- Step 1: Write the proportion equation
6,318,753.12 : 8,718,590.88 = 3,739,142.88 : x - Step 2: Convert to fraction form
6,318,753.12/8,718,590.88 = 3,739,142.88/x - Step 3: Cross multiply
6,318,753.12x = 8,718,590.88 × 3,739,142.88 - Step 4: Simplify right side
6,318,753.12x = 32,600,057,012,584.94 - Step 5: Solve for x
x = 32,600,057,012,584.94/6,318,753.12 - Step 6: Final answer
x = 5,159,254.74
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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.