Finding the Fourth Proportional to 6,461,785.62, 8,917,264.19 and 3,561,176.53
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Solution
The fourth proportional to 6,461,785.62, 8,917,264.19 and 3,561,176.53 is: 4,914,423.63
Step by Step Solution
- Step 1: Write the proportion equation
6,461,785.62 : 8,917,264.19 = 3,561,176.53 : x - Step 2: Convert to fraction form
6,461,785.62/8,917,264.19 = 3,561,176.53/x - Step 3: Cross multiply
6,461,785.62x = 8,917,264.19 × 3,561,176.53 - Step 4: Simplify right side
6,461,785.62x = 31,755,951,945,237.46 - Step 5: Solve for x
x = 31,755,951,945,237.46/6,461,785.62 - Step 6: Final answer
x = 4,914,423.63
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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.