Finding the Fourth Proportional to 3,970,577.34, 5,480,370.09 and 2,252,703.42
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Solution
The fourth proportional to 3,970,577.34, 5,480,370.09 and 2,252,703.42 is: 3,109,282.95
Step by Step Solution
- Step 1: Write the proportion equation
3,970,577.34 : 5,480,370.09 = 2,252,703.42 : x - Step 2: Convert to fraction form
3,970,577.34/5,480,370.09 = 2,252,703.42/x - Step 3: Cross multiply
3,970,577.34x = 5,480,370.09 × 2,252,703.42 - Step 4: Simplify right side
3,970,577.34x = 12,345,648,444,608.71 - Step 5: Solve for x
x = 12,345,648,444,608.71/3,970,577.34 - Step 6: Final answer
x = 3,109,282.95
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1.5x scale
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.