Finding the Fourth Proportional to 1,616,739.22, 2,231,115.88 and 928,402.84
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Solution
The fourth proportional to 1,616,739.22, 2,231,115.88 and 928,402.84 is: 1,281,204.97
Step by Step Solution
- Step 1: Write the proportion equation
1,616,739.22 : 2,231,115.88 = 928,402.84 : x - Step 2: Convert to fraction form
1,616,739.22/2,231,115.88 = 928,402.84/x - Step 3: Cross multiply
1,616,739.22x = 2,231,115.88 × 928,402.84 - Step 4: Simplify right side
1,616,739.22x = 2,071,374,319,361.10 - Step 5: Solve for x
x = 2,071,374,319,361.10/1,616,739.22 - Step 6: Final answer
x = 1,281,204.97
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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.