Finding the Fourth Proportional to 2,137,837.58, 2,950,179.38 and 1,157,768.66
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Solution
The fourth proportional to 2,137,837.58, 2,950,179.38 and 1,157,768.66 is: 1,597,700.99
Step by Step Solution
- Step 1: Write the proportion equation
2,137,837.58 : 2,950,179.38 = 1,157,768.66 : x - Step 2: Convert to fraction form
2,137,837.58/2,950,179.38 = 1,157,768.66/x - Step 3: Cross multiply
2,137,837.58x = 2,950,179.38 × 1,157,768.66 - Step 4: Simplify right side
2,137,837.58x = 3,415,625,207,002.49 - Step 5: Solve for x
x = 3,415,625,207,002.49/2,137,837.58 - Step 6: Final answer
x = 1,597,700.99
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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.