Finding the Fourth Proportional to 2,153,960.32, 2,972,906.33 and 1,283,305.05
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Solution
The fourth proportional to 2,153,960.32, 2,972,906.33 and 1,283,305.05 is: 1,771,223.76
Step by Step Solution
- Step 1: Write the proportion equation
2,153,960.32 : 2,972,906.33 = 1,283,305.05 : x - Step 2: Convert to fraction form
2,153,960.32/2,972,906.33 = 1,283,305.05/x - Step 3: Cross multiply
2,153,960.32x = 2,972,906.33 × 1,283,305.05 - Step 4: Simplify right side
2,153,960.32x = 3,815,145,706,465.97 - Step 5: Solve for x
x = 3,815,145,706,465.97/2,153,960.32 - Step 6: Final answer
x = 1,771,223.76
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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.