Finding the Fourth Proportional to 3,842,478.36, 5,302,445.91 and 2,373,043.98
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Solution
The fourth proportional to 3,842,478.36, 5,302,445.91 and 2,373,043.98 is: 3,274,693.09
Step by Step Solution
- Step 1: Write the proportion equation
3,842,478.36 : 5,302,445.91 = 2,373,043.98 : x - Step 2: Convert to fraction form
3,842,478.36/5,302,445.91 = 2,373,043.98/x - Step 3: Cross multiply
3,842,478.36x = 5,302,445.91 × 2,373,043.98 - Step 4: Simplify right side
3,842,478.36x = 12,582,937,346,001.12 - Step 5: Solve for x
x = 12,582,937,346,001.12/3,842,478.36 - Step 6: Final answer
x = 3,274,693.09
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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.