Finding the Fourth Proportional to 1,577,114.70, 2,365,672.05 and 1,371,828.30
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Solution
The fourth proportional to 1,577,114.70, 2,365,672.05 and 1,371,828.30 is: 2,057,742.45
Step by Step Solution
- Step 1: Write the proportion equation
1,577,114.70 : 2,365,672.05 = 1,371,828.30 : x - Step 2: Convert to fraction form
1,577,114.70/2,365,672.05 = 1,371,828.30/x - Step 3: Cross multiply
1,577,114.70x = 2,365,672.05 × 1,371,828.30 - Step 4: Simplify right side
1,577,114.70x = 3,245,295,866,709.01 - Step 5: Solve for x
x = 3,245,295,866,709.01/1,577,114.70 - Step 6: Final answer
x = 2,057,742.45
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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.