Finding the Fourth Proportional to 5,759,195.70, 8,638,825.84 and 1,921,007.58
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Solution
The fourth proportional to 5,759,195.70, 8,638,825.84 and 1,921,007.58 is: 2,881,522.14
Step by Step Solution
- Step 1: Write the proportion equation
5,759,195.70 : 8,638,825.84 = 1,921,007.58 : x - Step 2: Convert to fraction form
5,759,195.70/8,638,825.84 = 1,921,007.58/x - Step 3: Cross multiply
5,759,195.70x = 8,638,825.84 × 1,921,007.58 - Step 4: Simplify right side
5,759,195.70x = 16,595,249,920,939.87 - Step 5: Solve for x
x = 16,595,249,920,939.87/5,759,195.70 - Step 6: Final answer
x = 2,881,522.14
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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.