Finding the Fourth Proportional to 2,138,185.71, 2,950,697.48 and 1,171,350.99
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Solution
The fourth proportional to 2,138,185.71, 2,950,697.48 and 1,171,350.99 is: 1,616,465.02
Step by Step Solution
- Step 1: Write the proportion equation
2,138,185.71 : 2,950,697.48 = 1,171,350.99 : x - Step 2: Convert to fraction form
2,138,185.71/2,950,697.48 = 1,171,350.99/x - Step 3: Cross multiply
2,138,185.71x = 2,950,697.48 × 1,171,350.99 - Step 4: Simplify right side
2,138,185.71x = 3,456,302,408,531.75 - Step 5: Solve for x
x = 3,456,302,408,531.75/2,138,185.71 - Step 6: Final answer
x = 1,616,465.02
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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.