Finding the Fourth Proportional to 2,176,661.36, 3,264,981.77 and 557,427.06
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Solution
The fourth proportional to 2,176,661.36, 3,264,981.77 and 557,427.06 is: 836,137.96
Step by Step Solution
- Step 1: Write the proportion equation
2,176,661.36 : 3,264,981.77 = 557,427.06 : x - Step 2: Convert to fraction form
2,176,661.36/3,264,981.77 = 557,427.06/x - Step 3: Cross multiply
2,176,661.36x = 3,264,981.77 × 557,427.06 - Step 4: Simplify right side
2,176,661.36x = 1,819,989,190,398.26 - Step 5: Solve for x
x = 1,819,989,190,398.26/2,176,661.36 - Step 6: Final answer
x = 836,137.96
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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.