Finding the Fourth Proportional to 3,026,729.18, 4,174,522.98 and 1,939,101.14
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Solution
The fourth proportional to 3,026,729.18, 4,174,522.98 and 1,939,101.14 is: 2,674,445.51
Step by Step Solution
- Step 1: Write the proportion equation
3,026,729.18 : 4,174,522.98 = 1,939,101.14 : x - Step 2: Convert to fraction form
3,026,729.18/4,174,522.98 = 1,939,101.14/x - Step 3: Cross multiply
3,026,729.18x = 4,174,522.98 × 1,939,101.14 - Step 4: Simplify right side
3,026,729.18x = 8,094,822,269,474.20 - Step 5: Solve for x
x = 8,094,822,269,474.20/3,026,729.18 - Step 6: Final answer
x = 2,674,445.51
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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.