Finding the Fourth Proportional to 7,026,982.04, 9,696,162.84 and 3,970,080.92
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Solution
The fourth proportional to 7,026,982.04, 9,696,162.84 and 3,970,080.92 is: 5,478,105.80
Step by Step Solution
- Step 1: Write the proportion equation
7,026,982.04 : 9,696,162.84 = 3,970,080.92 : x - Step 2: Convert to fraction form
7,026,982.04/9,696,162.84 = 3,970,080.92/x - Step 3: Cross multiply
7,026,982.04x = 9,696,162.84 × 3,970,080.92 - Step 4: Simplify right side
7,026,982.04x = 38,494,551,088,297.01 - Step 5: Solve for x
x = 38,494,551,088,297.01/7,026,982.04 - Step 6: Final answer
x = 5,478,105.80
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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.