Finding the Fourth Proportional to 1,535,782.70, 2,303,674.05 and 413,851.70
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Solution
The fourth proportional to 1,535,782.70, 2,303,674.05 and 413,851.70 is: 620,777.55
Step by Step Solution
- Step 1: Write the proportion equation
1,535,782.70 : 2,303,674.05 = 413,851.70 : x - Step 2: Convert to fraction form
1,535,782.70/2,303,674.05 = 413,851.70/x - Step 3: Cross multiply
1,535,782.70x = 2,303,674.05 × 413,851.70 - Step 4: Simplify right side
1,535,782.70x = 953,379,421,838.39 - Step 5: Solve for x
x = 953,379,421,838.39/1,535,782.70 - Step 6: Final answer
x = 620,777.55
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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.