Finding the Fourth Proportional to 1,863,624.18, 2,570,207.90 and 1,283,772.72
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Solution
The fourth proportional to 1,863,624.18, 2,570,207.90 and 1,283,772.72 is: 1,770,508.68
Step by Step Solution
- Step 1: Write the proportion equation
1,863,624.18 : 2,570,207.90 = 1,283,772.72 : x - Step 2: Convert to fraction form
1,863,624.18/2,570,207.90 = 1,283,772.72/x - Step 3: Cross multiply
1,863,624.18x = 2,570,207.90 × 1,283,772.72 - Step 4: Simplify right side
1,863,624.18x = 3,299,562,786,748.49 - Step 5: Solve for x
x = 3,299,562,786,748.49/1,863,624.18 - Step 6: Final answer
x = 1,770,508.68
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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.