Finding the Fourth Proportional to 1,616,305.32, 2,230,634.16 and 891,295.20
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Solution
The fourth proportional to 1,616,305.32, 2,230,634.16 and 891,295.20 is: 1,230,060.62
Step by Step Solution
- Step 1: Write the proportion equation
1,616,305.32 : 2,230,634.16 = 891,295.20 : x - Step 2: Convert to fraction form
1,616,305.32/2,230,634.16 = 891,295.20/x - Step 3: Cross multiply
1,616,305.32x = 2,230,634.16 × 891,295.20 - Step 4: Simplify right side
1,616,305.32x = 1,988,153,519,764.03 - Step 5: Solve for x
x = 1,988,153,519,764.03/1,616,305.32 - Step 6: Final answer
x = 1,230,060.62
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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.