Finding the Fourth Proportional to 2,138,368.41, 2,950,948.26 and 1,171,532.97
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Solution
The fourth proportional to 2,138,368.41, 2,950,948.26 and 1,171,532.97 is: 1,616,715.42
Step by Step Solution
- Step 1: Write the proportion equation
2,138,368.41 : 2,950,948.26 = 1,171,532.97 : x - Step 2: Convert to fraction form
2,138,368.41/2,950,948.26 = 1,171,532.97/x - Step 3: Cross multiply
2,138,368.41x = 2,950,948.26 × 1,171,532.97 - Step 4: Simplify right side
2,138,368.41x = 3,457,133,179,354.13 - Step 5: Solve for x
x = 3,457,133,179,354.13/2,138,368.41 - Step 6: Final answer
x = 1,616,715.42
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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.