Finding the Fourth Proportional to 4,653,192.21, 6,421,405.23 and 2,721,076.08
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Solution
The fourth proportional to 4,653,192.21, 6,421,405.23 and 2,721,076.08 is: 3,755,084.98
Step by Step Solution
- Step 1: Write the proportion equation
4,653,192.21 : 6,421,405.23 = 2,721,076.08 : x - Step 2: Convert to fraction form
4,653,192.21/6,421,405.23 = 2,721,076.08/x - Step 3: Cross multiply
4,653,192.21x = 6,421,405.23 × 2,721,076.08 - Step 4: Simplify right side
4,653,192.21x = 17,473,132,171,339.90 - Step 5: Solve for x
x = 17,473,132,171,339.90/4,653,192.21 - Step 6: Final answer
x = 3,755,084.98
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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.