Finding the Fourth Proportional to 1,387,278.15, 2,077,553.70 and 959,614.08
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Solution
The fourth proportional to 1,387,278.15, 2,077,553.70 and 959,614.08 is: 1,437,094.49
Step by Step Solution
- Step 1: Write the proportion equation
1,387,278.15 : 2,077,553.70 = 959,614.08 : x - Step 2: Convert to fraction form
1,387,278.15/2,077,553.70 = 959,614.08/x - Step 3: Cross multiply
1,387,278.15x = 2,077,553.70 × 959,614.08 - Step 4: Simplify right side
1,387,278.15x = 1,993,649,782,476.10 - Step 5: Solve for x
x = 1,993,649,782,476.10/1,387,278.15 - Step 6: Final answer
x = 1,437,094.49
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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.