Finding the Fourth Proportional to 1,358,008.13, 2,045,136.50 and 1,236,941.28
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Solution
The fourth proportional to 1,358,008.13, 2,045,136.50 and 1,236,941.28 is: 1,862,811.94
Step by Step Solution
- Step 1: Write the proportion equation
1,358,008.13 : 2,045,136.50 = 1,236,941.28 : x - Step 2: Convert to fraction form
1,358,008.13/2,045,136.50 = 1,236,941.28/x - Step 3: Cross multiply
1,358,008.13x = 2,045,136.50 × 1,236,941.28 - Step 4: Simplify right side
1,358,008.13x = 2,529,713,758,538.54 - Step 5: Solve for x
x = 2,529,713,758,538.54/1,358,008.13 - Step 6: Final answer
x = 1,862,811.94
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.