Finding the Fourth Proportional to 1,662,615.13, 2,294,407.57 and 898,668.70
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Solution
The fourth proportional to 1,662,615.13, 2,294,407.57 and 898,668.70 is: 1,240,162.10
Step by Step Solution
- Step 1: Write the proportion equation
1,662,615.13 : 2,294,407.57 = 898,668.70 : x - Step 2: Convert to fraction form
1,662,615.13/2,294,407.57 = 898,668.70/x - Step 3: Cross multiply
1,662,615.13x = 2,294,407.57 × 898,668.70 - Step 4: Simplify right side
1,662,615.13x = 2,061,912,268,202.06 - Step 5: Solve for x
x = 2,061,912,268,202.06/1,662,615.13 - Step 6: Final answer
x = 1,240,162.10
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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.