Finding the Fourth Proportional to 4,655,321.62, 6,423,380.92 and 2,721,208.08
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Solution
The fourth proportional to 4,655,321.62, 6,423,380.92 and 2,721,208.08 is: 3,754,704.29
Step by Step Solution
- Step 1: Write the proportion equation
4,655,321.62 : 6,423,380.92 = 2,721,208.08 : x - Step 2: Convert to fraction form
4,655,321.62/6,423,380.92 = 2,721,208.08/x - Step 3: Cross multiply
4,655,321.62x = 6,423,380.92 × 2,721,208.08 - Step 4: Simplify right side
4,655,321.62x = 17,479,356,060,421.83 - Step 5: Solve for x
x = 17,479,356,060,421.83/4,655,321.62 - Step 6: Final answer
x = 3,754,704.29
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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.