Finding the Fourth Proportional to 2,149,492.49, 2,966,323.21 and 1,169,437.14
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Solution
The fourth proportional to 2,149,492.49, 2,966,323.21 and 1,169,437.14 is: 1,613,836.08
Step by Step Solution
- Step 1: Write the proportion equation
2,149,492.49 : 2,966,323.21 = 1,169,437.14 : x - Step 2: Convert to fraction form
2,149,492.49/2,966,323.21 = 1,169,437.14/x - Step 3: Cross multiply
2,149,492.49x = 2,966,323.21 × 1,169,437.14 - Step 4: Simplify right side
2,149,492.49x = 3,468,928,530,942.43 - Step 5: Solve for x
x = 3,468,928,530,942.43/2,149,492.49 - Step 6: Final answer
x = 1,613,836.08
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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.