Finding the Fourth Proportional to 3,532,576.81, 5,299,929.02 and 1,103,631.96
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Solution
The fourth proportional to 3,532,576.81, 5,299,929.02 and 1,103,631.96 is: 1,655,780.29
Step by Step Solution
- Step 1: Write the proportion equation
3,532,576.81 : 5,299,929.02 = 1,103,631.96 : x - Step 2: Convert to fraction form
3,532,576.81/5,299,929.02 = 1,103,631.96/x - Step 3: Cross multiply
3,532,576.81x = 5,299,929.02 × 1,103,631.96 - Step 4: Simplify right side
3,532,576.81x = 5,849,171,059,931.24 - Step 5: Solve for x
x = 5,849,171,059,931.24/3,532,576.81 - Step 6: Final answer
x = 1,655,780.29
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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.