Finding the Fourth Proportional to 3,572,300.44, 4,929,809.14 and 1,940,719.48
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Solution
The fourth proportional to 3,572,300.44, 4,929,809.14 and 1,940,719.48 is: 2,678,211.64
Step by Step Solution
- Step 1: Write the proportion equation
3,572,300.44 : 4,929,809.14 = 1,940,719.48 : x - Step 2: Convert to fraction form
3,572,300.44/4,929,809.14 = 1,940,719.48/x - Step 3: Cross multiply
3,572,300.44x = 4,929,809.14 × 1,940,719.48 - Step 4: Simplify right side
3,572,300.44x = 9,567,376,630,680.05 - Step 5: Solve for x
x = 9,567,376,630,680.05/3,572,300.44 - Step 6: Final answer
x = 2,678,211.64
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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.