Finding the Fourth Proportional to 2,298,373.97, 3,171,691.05 and 1,251,771.48
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Solution
The fourth proportional to 2,298,373.97, 3,171,691.05 and 1,251,771.48 is: 1,727,409.23
Step by Step Solution
- Step 1: Write the proportion equation
2,298,373.97 : 3,171,691.05 = 1,251,771.48 : x - Step 2: Convert to fraction form
2,298,373.97/3,171,691.05 = 1,251,771.48/x - Step 3: Cross multiply
2,298,373.97x = 3,171,691.05 × 1,251,771.48 - Step 4: Simplify right side
2,298,373.97x = 3,970,232,399,761.25 - Step 5: Solve for x
x = 3,970,232,399,761.25/2,298,373.97 - Step 6: Final answer
x = 1,727,409.23
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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.