Finding the Fourth Proportional to 1,660,080.96, 2,290,887.36 and 934,930.08
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Solution
The fourth proportional to 1,660,080.96, 2,290,887.36 and 934,930.08 is: 1,290,189.79
Step by Step Solution
- Step 1: Write the proportion equation
1,660,080.96 : 2,290,887.36 = 934,930.08 : x - Step 2: Convert to fraction form
1,660,080.96/2,290,887.36 = 934,930.08/x - Step 3: Cross multiply
1,660,080.96x = 2,290,887.36 × 934,930.08 - Step 4: Simplify right side
1,660,080.96x = 2,141,819,502,755.79 - Step 5: Solve for x
x = 2,141,819,502,755.79/1,660,080.96 - Step 6: Final answer
x = 1,290,189.79
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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.