Finding the Fourth Proportional to 1,905,760.87, 2,629,955.16 and 1,046,376.79
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Solution
The fourth proportional to 1,905,760.87, 2,629,955.16 and 1,046,376.79 is: 1,444,002.80
Step by Step Solution
- Step 1: Write the proportion equation
1,905,760.87 : 2,629,955.16 = 1,046,376.79 : x - Step 2: Convert to fraction form
1,905,760.87/2,629,955.16 = 1,046,376.79/x - Step 3: Cross multiply
1,905,760.87x = 2,629,955.16 × 1,046,376.79 - Step 4: Simplify right side
1,905,760.87x = 2,751,924,031,589.85 - Step 5: Solve for x
x = 2,751,924,031,589.85/1,905,760.87 - Step 6: Final answer
x = 1,444,002.80
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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.