Finding the Fourth Proportional to 1,719,343.20, 2,371,957.76 and 1,073,642.32
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Solution
The fourth proportional to 1,719,343.20, 2,371,957.76 and 1,073,642.32 is: 1,481,166.90
Step by Step Solution
- Step 1: Write the proportion equation
1,719,343.20 : 2,371,957.76 = 1,073,642.32 : x - Step 2: Convert to fraction form
1,719,343.20/2,371,957.76 = 1,073,642.32/x - Step 3: Cross multiply
1,719,343.20x = 2,371,957.76 × 1,073,642.32 - Step 4: Simplify right side
1,719,343.20x = 2,546,634,232,388.40 - Step 5: Solve for x
x = 2,546,634,232,388.40/1,719,343.20 - Step 6: Final answer
x = 1,481,166.90
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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.