Finding the Fourth Proportional to 4,316,037.80, 6,474,920.70 and 1,283,397.80
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Solution
The fourth proportional to 4,316,037.80, 6,474,920.70 and 1,283,397.80 is: 1,925,353.62
Step by Step Solution
- Step 1: Write the proportion equation
4,316,037.80 : 6,474,920.70 = 1,283,397.80 : x - Step 2: Convert to fraction form
4,316,037.80/6,474,920.70 = 1,283,397.80/x - Step 3: Cross multiply
4,316,037.80x = 6,474,920.70 × 1,283,397.80 - Step 4: Simplify right side
4,316,037.80x = 8,309,898,981,554.46 - Step 5: Solve for x
x = 8,309,898,981,554.46/4,316,037.80 - Step 6: Final answer
x = 1,925,353.62
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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.