Finding the Fourth Proportional to 3,165,584.79, 4,368,728.70 and 1,789,055.71
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Solution
The fourth proportional to 3,165,584.79, 4,368,728.70 and 1,789,055.71 is: 2,469,022.17
Step by Step Solution
- Step 1: Write the proportion equation
3,165,584.79 : 4,368,728.70 = 1,789,055.71 : x - Step 2: Convert to fraction form
3,165,584.79/4,368,728.70 = 1,789,055.71/x - Step 3: Cross multiply
3,165,584.79x = 4,368,728.70 × 1,789,055.71 - Step 4: Simplify right side
3,165,584.79x = 7,815,899,017,230.60 - Step 5: Solve for x
x = 7,815,899,017,230.60/3,165,584.79 - Step 6: Final answer
x = 2,469,022.17
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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.