Finding the Fourth Proportional to 5,369,178.49, 7,409,555.49 and 2,921,892.68
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Solution
The fourth proportional to 5,369,178.49, 7,409,555.49 and 2,921,892.68 is: 4,032,260.43
Step by Step Solution
- Step 1: Write the proportion equation
5,369,178.49 : 7,409,555.49 = 2,921,892.68 : x - Step 2: Convert to fraction form
5,369,178.49/7,409,555.49 = 2,921,892.68/x - Step 3: Cross multiply
5,369,178.49x = 7,409,555.49 × 2,921,892.68 - Step 4: Simplify right side
5,369,178.49x = 21,649,925,977,765.80 - Step 5: Solve for x
x = 21,649,925,977,765.80/5,369,178.49 - Step 6: Final answer
x = 4,032,260.43
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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.