Finding the Fourth Proportional to 2,114,010.63, 2,916,114.62 and 1,349,202.15
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Solution
The fourth proportional to 2,114,010.63, 2,916,114.62 and 1,349,202.15 is: 1,861,120.30
Step by Step Solution
- Step 1: Write the proportion equation
2,114,010.63 : 2,916,114.62 = 1,349,202.15 : x - Step 2: Convert to fraction form
2,114,010.63/2,916,114.62 = 1,349,202.15/x - Step 3: Cross multiply
2,114,010.63x = 2,916,114.62 × 1,349,202.15 - Step 4: Simplify right side
2,114,010.63x = 3,934,428,108,204.42 - Step 5: Solve for x
x = 3,934,428,108,204.42/2,114,010.63 - Step 6: Final answer
x = 1,861,120.30
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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.