Finding the Fourth Proportional to 1,519,038.42, 2,279,679.08 and 720,322.62
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Solution
The fourth proportional to 1,519,038.42, 2,279,679.08 and 720,322.62 is: 1,081,015.72
Step by Step Solution
- Step 1: Write the proportion equation
1,519,038.42 : 2,279,679.08 = 720,322.62 : x - Step 2: Convert to fraction form
1,519,038.42/2,279,679.08 = 720,322.62/x - Step 3: Cross multiply
1,519,038.42x = 2,279,679.08 × 720,322.62 - Step 4: Simplify right side
1,519,038.42x = 1,642,104,407,664.79 - Step 5: Solve for x
x = 1,642,104,407,664.79/1,519,038.42 - Step 6: Final answer
x = 1,081,015.72
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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.