Finding the Fourth Proportional to 1,918,187.58, 2,646,703.70 and 1,102,233.62
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Solution
The fourth proportional to 1,918,187.58, 2,646,703.70 and 1,102,233.62 is: 1,520,855.33
Step by Step Solution
- Step 1: Write the proportion equation
1,918,187.58 : 2,646,703.70 = 1,102,233.62 : x - Step 2: Convert to fraction form
1,918,187.58/2,646,703.70 = 1,102,233.62/x - Step 3: Cross multiply
1,918,187.58x = 2,646,703.70 × 1,102,233.62 - Step 4: Simplify right side
1,918,187.58x = 2,917,285,796,869.72 - Step 5: Solve for x
x = 2,917,285,796,869.72/1,918,187.58 - Step 6: Final answer
x = 1,520,855.33
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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.