Finding the Fourth Proportional to 1,961,511.80, 2,706,888.66 and 1,102,071.56
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Solution
The fourth proportional to 1,961,511.80, 2,706,888.66 and 1,102,071.56 is: 1,520,860.09
Step by Step Solution
- Step 1: Write the proportion equation
1,961,511.80 : 2,706,888.66 = 1,102,071.56 : x - Step 2: Convert to fraction form
1,961,511.80/2,706,888.66 = 1,102,071.56/x - Step 3: Cross multiply
1,961,511.80x = 2,706,888.66 × 1,102,071.56 - Step 4: Simplify right side
1,961,511.80x = 2,983,185,008,272.51 - Step 5: Solve for x
x = 2,983,185,008,272.51/1,961,511.80 - Step 6: Final answer
x = 1,520,860.09
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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.