Finding the Fourth Proportional to 1,687,090.19, 2,328,184.46 and 923,143.75
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Solution
The fourth proportional to 1,687,090.19, 2,328,184.46 and 923,143.75 is: 1,273,938.38
Step by Step Solution
- Step 1: Write the proportion equation
1,687,090.19 : 2,328,184.46 = 923,143.75 : x - Step 2: Convert to fraction form
1,687,090.19/2,328,184.46 = 923,143.75/x - Step 3: Cross multiply
1,687,090.19x = 2,328,184.46 × 923,143.75 - Step 4: Simplify right side
1,687,090.19x = 2,149,248,933,096.13 - Step 5: Solve for x
x = 2,149,248,933,096.13/1,687,090.19 - Step 6: Final answer
x = 1,273,938.38
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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.