Finding the Fourth Proportional to 5,248,938.19, 7,873,407.28 and 1,259,850.19
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Solution
The fourth proportional to 5,248,938.19, 7,873,407.28 and 1,259,850.19 is: 1,889,775.28
Step by Step Solution
- Step 1: Write the proportion equation
5,248,938.19 : 7,873,407.28 = 1,259,850.19 : x - Step 2: Convert to fraction form
5,248,938.19/7,873,407.28 = 1,259,850.19/x - Step 3: Cross multiply
5,248,938.19x = 7,873,407.28 × 1,259,850.19 - Step 4: Simplify right side
5,248,938.19x = 9,919,313,639,546.68 - Step 5: Solve for x
x = 9,919,313,639,546.68/5,248,938.19 - Step 6: Final answer
x = 1,889,775.28
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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.