Finding the Fourth Proportional to 1,678,050.96, 2,315,746.08 and 914,102.88
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Solution
The fourth proportional to 1,678,050.96, 2,315,746.08 and 914,102.88 is: 1,261,481.45
Step by Step Solution
- Step 1: Write the proportion equation
1,678,050.96 : 2,315,746.08 = 914,102.88 : x - Step 2: Convert to fraction form
1,678,050.96/2,315,746.08 = 914,102.88/x - Step 3: Cross multiply
1,678,050.96x = 2,315,746.08 × 914,102.88 - Step 4: Simplify right side
1,678,050.96x = 2,116,830,161,076.71 - Step 5: Solve for x
x = 2,116,830,161,076.71/1,678,050.96 - Step 6: Final answer
x = 1,261,481.45
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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.