Finding the Fourth Proportional to 6,643,475.55, 9,167,996.21 and 3,587,689.53
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Solution
The fourth proportional to 6,643,475.55, 9,167,996.21 and 3,587,689.53 is: 4,951,011.52
Step by Step Solution
- Step 1: Write the proportion equation
6,643,475.55 : 9,167,996.21 = 3,587,689.53 : x - Step 2: Convert to fraction form
6,643,475.55/9,167,996.21 = 3,587,689.53/x - Step 3: Cross multiply
6,643,475.55x = 9,167,996.21 × 3,587,689.53 - Step 4: Simplify right side
6,643,475.55x = 32,891,923,995,758.23 - Step 5: Solve for x
x = 32,891,923,995,758.23/6,643,475.55 - Step 6: Final answer
x = 4,951,011.52
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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.