Finding the Fourth Proportional to 1,796,910.74, 2,478,841.62 and 1,071,247.13
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Solution
The fourth proportional to 1,796,910.74, 2,478,841.62 and 1,071,247.13 is: 1,477,787.36
Step by Step Solution
- Step 1: Write the proportion equation
1,796,910.74 : 2,478,841.62 = 1,071,247.13 : x - Step 2: Convert to fraction form
1,796,910.74/2,478,841.62 = 1,071,247.13/x - Step 3: Cross multiply
1,796,910.74x = 2,478,841.62 × 1,071,247.13 - Step 4: Simplify right side
1,796,910.74x = 2,655,451,971,149.55 - Step 5: Solve for x
x = 2,655,451,971,149.55/1,796,910.74 - Step 6: Final answer
x = 1,477,787.36
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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.