Finding the Fourth Proportional to 1,679,921.36, 2,318,233.74 and 954,756.44
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Solution
The fourth proportional to 1,679,921.36, 2,318,233.74 and 954,756.44 is: 1,317,531.07
Step by Step Solution
- Step 1: Write the proportion equation
1,679,921.36 : 2,318,233.74 = 954,756.44 : x - Step 2: Convert to fraction form
1,679,921.36/2,318,233.74 = 954,756.44/x - Step 3: Cross multiply
1,679,921.36x = 2,318,233.74 × 954,756.44 - Step 4: Simplify right side
1,679,921.36x = 2,213,348,592,690.29 - Step 5: Solve for x
x = 2,213,348,592,690.29/1,679,921.36 - Step 6: Final answer
x = 1,317,531.07
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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.