Finding the Fourth Proportional to 3,481,931.91, 5,224,374.18 and 1,686,153.42
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Solution
The fourth proportional to 3,481,931.91, 5,224,374.18 and 1,686,153.42 is: 2,529,945.05
Step by Step Solution
- Step 1: Write the proportion equation
3,481,931.91 : 5,224,374.18 = 1,686,153.42 : x - Step 2: Convert to fraction form
3,481,931.91/5,224,374.18 = 1,686,153.42/x - Step 3: Cross multiply
3,481,931.91x = 5,224,374.18 × 1,686,153.42 - Step 4: Simplify right side
3,481,931.91x = 8,809,096,390,966.70 - Step 5: Solve for x
x = 8,809,096,390,966.70/3,481,931.91 - Step 6: Final answer
x = 2,529,945.05
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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.