Finding the Fourth Proportional to 1,601,986.91, 2,211,812.21 and 948,822.96
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Solution
The fourth proportional to 1,601,986.91, 2,211,812.21 and 948,822.96 is: 1,310,009.59
Step by Step Solution
- Step 1: Write the proportion equation
1,601,986.91 : 2,211,812.21 = 948,822.96 : x - Step 2: Convert to fraction form
1,601,986.91/2,211,812.21 = 948,822.96/x - Step 3: Cross multiply
1,601,986.91x = 2,211,812.21 × 948,822.96 - Step 4: Simplify right side
1,601,986.91x = 2,098,618,203,312.23 - Step 5: Solve for x
x = 2,098,618,203,312.23/1,601,986.91 - Step 6: Final answer
x = 1,310,009.59
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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.