Finding the Fourth Proportional to 1,378,453.25, 2,067,407.29 and 1,310,097.62
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Solution
The fourth proportional to 1,378,453.25, 2,067,407.29 and 1,310,097.62 is: 1,964,887.36
Step by Step Solution
- Step 1: Write the proportion equation
1,378,453.25 : 2,067,407.29 = 1,310,097.62 : x - Step 2: Convert to fraction form
1,378,453.25/2,067,407.29 = 1,310,097.62/x - Step 3: Cross multiply
1,378,453.25x = 2,067,407.29 × 1,310,097.62 - Step 4: Simplify right side
1,378,453.25x = 2,708,505,356,587.37 - Step 5: Solve for x
x = 2,708,505,356,587.37/1,378,453.25 - Step 6: Final answer
x = 1,964,887.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.