Finding the Fourth Proportional to 1,616,483.31, 2,230,704.05 and 891,318.75
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Solution
The fourth proportional to 1,616,483.31, 2,230,704.05 and 891,318.75 is: 1,229,996.21
Step by Step Solution
- Step 1: Write the proportion equation
1,616,483.31 : 2,230,704.05 = 891,318.75 : x - Step 2: Convert to fraction form
1,616,483.31/2,230,704.05 = 891,318.75/x - Step 3: Cross multiply
1,616,483.31x = 2,230,704.05 × 891,318.75 - Step 4: Simplify right side
1,616,483.31x = 1,988,268,334,312.42 - Step 5: Solve for x
x = 1,988,268,334,312.42/1,616,483.31 - Step 6: Final answer
x = 1,229,996.21
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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.