Finding the Fourth Proportional to 1,349,492.19, 1,861,093.08 and 1,119,685.70
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Solution
The fourth proportional to 1,349,492.19, 1,861,093.08 and 1,119,685.70 is: 1,544,165.51
Step by Step Solution
- Step 1: Write the proportion equation
1,349,492.19 : 1,861,093.08 = 1,119,685.70 : x - Step 2: Convert to fraction form
1,349,492.19/1,861,093.08 = 1,119,685.70/x - Step 3: Cross multiply
1,349,492.19x = 1,861,093.08 × 1,119,685.70 - Step 4: Simplify right side
1,349,492.19x = 2,083,839,298,739.49 - Step 5: Solve for x
x = 2,083,839,298,739.49/1,349,492.19 - Step 6: Final answer
x = 1,544,165.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.