Finding the Fourth Proportional to 1,345,015.14, 2,008,950.65 and 1,216,734.08
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Solution
The fourth proportional to 1,345,015.14, 2,008,950.65 and 1,216,734.08 is: 1,817,346.62
Step by Step Solution
- Step 1: Write the proportion equation
1,345,015.14 : 2,008,950.65 = 1,216,734.08 : x - Step 2: Convert to fraction form
1,345,015.14/2,008,950.65 = 1,216,734.08/x - Step 3: Cross multiply
1,345,015.14x = 2,008,950.65 × 1,216,734.08 - Step 4: Simplify right side
1,345,015.14x = 2,444,358,720,893.15 - Step 5: Solve for x
x = 2,444,358,720,893.15/1,345,015.14 - Step 6: Final answer
x = 1,817,346.62
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.