Finding the Fourth Proportional to 1,670,587.12, 2,305,076.74 and 1,016,775.24
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Solution
The fourth proportional to 1,670,587.12, 2,305,076.74 and 1,016,775.24 is: 1,402,946.86
Step by Step Solution
- Step 1: Write the proportion equation
1,670,587.12 : 2,305,076.74 = 1,016,775.24 : x - Step 2: Convert to fraction form
1,670,587.12/2,305,076.74 = 1,016,775.24/x - Step 3: Cross multiply
1,670,587.12x = 2,305,076.74 × 1,016,775.24 - Step 4: Simplify right side
1,670,587.12x = 2,343,744,955,531.92 - Step 5: Solve for x
x = 2,343,744,955,531.92/1,670,587.12 - Step 6: Final answer
x = 1,402,946.86
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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.