Finding the Fourth Proportional to 3,168,562.70, 4,372,617.70 and 1,718,257.75
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Solution
The fourth proportional to 3,168,562.70, 4,372,617.70 and 1,718,257.75 is: 2,371,196.33
Step by Step Solution
- Step 1: Write the proportion equation
3,168,562.70 : 4,372,617.70 = 1,718,257.75 : x - Step 2: Convert to fraction form
3,168,562.70/4,372,617.70 = 1,718,257.75/x - Step 3: Cross multiply
3,168,562.70x = 4,372,617.70 × 1,718,257.75 - Step 4: Simplify right side
3,168,562.70x = 7,513,284,228,949.09 - Step 5: Solve for x
x = 7,513,284,228,949.09/3,168,562.70 - Step 6: Final answer
x = 2,371,196.33
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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.