Finding the Fourth Proportional to 5,746,086, 7,929,659.79 and 3,167,859.12
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Solution
The fourth proportional to 5,746,086, 7,929,659.79 and 3,167,859.12 is: 4,371,679.28
Step by Step Solution
- Step 1: Write the proportion equation
5,746,086 : 7,929,659.79 = 3,167,859.12 : x - Step 2: Convert to fraction form
5,746,086/7,929,659.79 = 3,167,859.12/x - Step 3: Cross multiply
5,746,086x = 7,929,659.79 × 3,167,859.12 - Step 4: Simplify right side
5,746,086x = 25,120,045,084,248.79 - Step 5: Solve for x
x = 25,120,045,084,248.79/5,746,086 - Step 6: Final answer
x = 4,371,679.28
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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.