Finding the Fourth Proportional to 1,399,103.99, 2,098,421.22 and 388,328.63
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Solution
The fourth proportional to 1,399,103.99, 2,098,421.22 and 388,328.63 is: 582,427.78
Step by Step Solution
- Step 1: Write the proportion equation
1,399,103.99 : 2,098,421.22 = 388,328.63 : x - Step 2: Convert to fraction form
1,399,103.99/2,098,421.22 = 388,328.63/x - Step 3: Cross multiply
1,399,103.99x = 2,098,421.22 × 388,328.63 - Step 4: Simplify right side
1,399,103.99x = 814,877,037,525.53 - Step 5: Solve for x
x = 814,877,037,525.53/1,399,103.99 - Step 6: Final answer
x = 582,427.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.