Finding the Fourth Proportional to 4,381,576.38, 6,572,293.43 and 1,686,487.05
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Solution
The fourth proportional to 4,381,576.38, 6,572,293.43 and 1,686,487.05 is: 2,529,703.19
Step by Step Solution
- Step 1: Write the proportion equation
4,381,576.38 : 6,572,293.43 = 1,686,487.05 : x - Step 2: Convert to fraction form
4,381,576.38/6,572,293.43 = 1,686,487.05/x - Step 3: Cross multiply
4,381,576.38x = 6,572,293.43 × 1,686,487.05 - Step 4: Simplify right side
4,381,576.38x = 11,084,087,750,062.65 - Step 5: Solve for x
x = 11,084,087,750,062.65/4,381,576.38 - Step 6: Final answer
x = 2,529,703.19
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.