Finding the Fourth Proportional to 1,910,742.09, 2,636,887.14 and 1,095,102.15
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Solution
The fourth proportional to 1,910,742.09, 2,636,887.14 and 1,095,102.15 is: 1,511,277.11
Step by Step Solution
- Step 1: Write the proportion equation
1,910,742.09 : 2,636,887.14 = 1,095,102.15 : x - Step 2: Convert to fraction form
1,910,742.09/2,636,887.14 = 1,095,102.15/x - Step 3: Cross multiply
1,910,742.09x = 2,636,887.14 × 1,095,102.15 - Step 4: Simplify right side
1,910,742.09x = 2,887,660,776,321.35 - Step 5: Solve for x
x = 2,887,660,776,321.35/1,910,742.09 - Step 6: Final answer
x = 1,511,277.11
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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.