Finding the Fourth Proportional to 2,256,742.50, 3,113,487.36 and 1,482,790.18
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Solution
The fourth proportional to 2,256,742.50, 3,113,487.36 and 1,482,790.18 is: 2,045,713.45
Step by Step Solution
- Step 1: Write the proportion equation
2,256,742.50 : 3,113,487.36 = 1,482,790.18 : x - Step 2: Convert to fraction form
2,256,742.50/3,113,487.36 = 1,482,790.18/x - Step 3: Cross multiply
2,256,742.50x = 3,113,487.36 × 1,482,790.18 - Step 4: Simplify right side
2,256,742.50x = 4,616,648,475,548.17 - Step 5: Solve for x
x = 4,616,648,475,548.17/2,256,742.50 - Step 6: Final answer
x = 2,045,713.45
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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.