Finding the Fourth Proportional to 1,424,733.12, 2,136,607.68 and 413,580.96
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Solution
The fourth proportional to 1,424,733.12, 2,136,607.68 and 413,580.96 is: 620,228.62
Step by Step Solution
- Step 1: Write the proportion equation
1,424,733.12 : 2,136,607.68 = 413,580.96 : x - Step 2: Convert to fraction form
1,424,733.12/2,136,607.68 = 413,580.96/x - Step 3: Cross multiply
1,424,733.12x = 2,136,607.68 × 413,580.96 - Step 4: Simplify right side
1,424,733.12x = 883,660,255,437.77 - Step 5: Solve for x
x = 883,660,255,437.77/1,424,733.12 - Step 6: Final answer
x = 620,228.62
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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.