Finding the Fourth Proportional to 2,279,060.41, 3,146,071.77 and 1,420,045.09
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Solution
The fourth proportional to 2,279,060.41, 3,146,071.77 and 1,420,045.09 is: 1,960,265.62
Step by Step Solution
- Step 1: Write the proportion equation
2,279,060.41 : 3,146,071.77 = 1,420,045.09 : x - Step 2: Convert to fraction form
2,279,060.41/3,146,071.77 = 1,420,045.09/x - Step 3: Cross multiply
2,279,060.41x = 3,146,071.77 × 1,420,045.09 - Step 4: Simplify right side
2,279,060.41x = 4,467,563,769,776.11 - Step 5: Solve for x
x = 4,467,563,769,776.11/2,279,060.41 - Step 6: Final answer
x = 1,960,265.62
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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.