Finding the Fourth Proportional to 2,687,365.68, 4,031,617.14 and 890,147.40
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Solution
The fourth proportional to 2,687,365.68, 4,031,617.14 and 890,147.40 is: 1,335,409.45
Step by Step Solution
- Step 1: Write the proportion equation
2,687,365.68 : 4,031,617.14 = 890,147.40 : x - Step 2: Convert to fraction form
2,687,365.68/4,031,617.14 = 890,147.40/x - Step 3: Cross multiply
2,687,365.68x = 4,031,617.14 × 890,147.40 - Step 4: Simplify right side
2,687,365.68x = 3,588,733,514,966.44 - Step 5: Solve for x
x = 3,588,733,514,966.44/2,687,365.68 - Step 6: Final answer
x = 1,335,409.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.