Finding the Fourth Proportional to 1,474,781.43, 2,035,236.03 and 830,224.26
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Solution
The fourth proportional to 1,474,781.43, 2,035,236.03 and 830,224.26 is: 1,145,730.68
Step by Step Solution
- Step 1: Write the proportion equation
1,474,781.43 : 2,035,236.03 = 830,224.26 : x - Step 2: Convert to fraction form
1,474,781.43/2,035,236.03 = 830,224.26/x - Step 3: Cross multiply
1,474,781.43x = 2,035,236.03 × 830,224.26 - Step 4: Simplify right side
1,474,781.43x = 1,689,702,326,932.09 - Step 5: Solve for x
x = 1,689,702,326,932.09/1,474,781.43 - Step 6: Final answer
x = 1,145,730.68
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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.