Finding the Fourth Proportional to 1,680,615.27, 2,319,445.15 and 955,571.63
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Solution
The fourth proportional to 1,680,615.27, 2,319,445.15 and 955,571.63 is: 1,318,800.33
Step by Step Solution
- Step 1: Write the proportion equation
1,680,615.27 : 2,319,445.15 = 955,571.63 : x - Step 2: Convert to fraction form
1,680,615.27/2,319,445.15 = 955,571.63/x - Step 3: Cross multiply
1,680,615.27x = 2,319,445.15 × 955,571.63 - Step 4: Simplify right side
1,680,615.27x = 2,216,395,968,694.94 - Step 5: Solve for x
x = 2,216,395,968,694.94/1,680,615.27 - Step 6: Final answer
x = 1,318,800.33
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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.