Finding the Fourth Proportional to 1,349,593.12, 1,861,232.08 and 1,119,786.40
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Solution
The fourth proportional to 1,349,593.12, 1,861,232.08 and 1,119,786.40 is: 1,544,304.23
Step by Step Solution
- Step 1: Write the proportion equation
1,349,593.12 : 1,861,232.08 = 1,119,786.40 : x - Step 2: Convert to fraction form
1,349,593.12/1,861,232.08 = 1,119,786.40/x - Step 3: Cross multiply
1,349,593.12x = 1,861,232.08 × 1,119,786.40 - Step 4: Simplify right side
1,349,593.12x = 2,084,182,370,427.71 - Step 5: Solve for x
x = 2,084,182,370,427.71/1,349,593.12 - Step 6: Final answer
x = 1,544,304.23
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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.