Finding the Fourth Proportional to 2,131,533.81, 2,941,537.32 and 1,164,664.08
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Solution
The fourth proportional to 2,131,533.81, 2,941,537.32 and 1,164,664.08 is: 1,607,247.72
Step by Step Solution
- Step 1: Write the proportion equation
2,131,533.81 : 2,941,537.32 = 1,164,664.08 : x - Step 2: Convert to fraction form
2,131,533.81/2,941,537.32 = 1,164,664.08/x - Step 3: Cross multiply
2,131,533.81x = 2,941,537.32 × 1,164,664.08 - Step 4: Simplify right side
2,131,533.81x = 3,425,902,856,583.47 - Step 5: Solve for x
x = 3,425,902,856,583.47/2,131,533.81 - Step 6: Final answer
x = 1,607,247.72
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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.