Finding the Fourth Proportional to 1,838,115.10, 2,757,172.65 and 1,330,293.70
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Solution
The fourth proportional to 1,838,115.10, 2,757,172.65 and 1,330,293.70 is: 1,995,440.55
Step by Step Solution
- Step 1: Write the proportion equation
1,838,115.10 : 2,757,172.65 = 1,330,293.70 : x - Step 2: Convert to fraction form
1,838,115.10/2,757,172.65 = 1,330,293.70/x - Step 3: Cross multiply
1,838,115.10x = 2,757,172.65 × 1,330,293.70 - Step 4: Simplify right side
1,838,115.10x = 3,667,849,406,107.31 - Step 5: Solve for x
x = 3,667,849,406,107.31/1,838,115.10 - Step 6: Final answer
x = 1,995,440.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.