Finding the Fourth Proportional to 3,534,427.62, 4,877,382.24 and 2,160,070.38
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Solution
The fourth proportional to 3,534,427.62, 4,877,382.24 and 2,160,070.38 is: 2,980,818.97
Step by Step Solution
- Step 1: Write the proportion equation
3,534,427.62 : 4,877,382.24 = 2,160,070.38 : x - Step 2: Convert to fraction form
3,534,427.62/4,877,382.24 = 2,160,070.38/x - Step 3: Cross multiply
3,534,427.62x = 4,877,382.24 × 2,160,070.38 - Step 4: Simplify right side
3,534,427.62x = 10,535,488,908,562.05 - Step 5: Solve for x
x = 10,535,488,908,562.05/3,534,427.62 - Step 6: Final answer
x = 2,980,818.97
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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.