Finding the Fourth Proportional to 3,447,428.13, 5,167,549.89 and 1,928,884.68
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Solution
The fourth proportional to 3,447,428.13, 5,167,549.89 and 1,928,884.68 is: 2,891,317.07
Step by Step Solution
- Step 1: Write the proportion equation
3,447,428.13 : 5,167,549.89 = 1,928,884.68 : x - Step 2: Convert to fraction form
3,447,428.13/5,167,549.89 = 1,928,884.68/x - Step 3: Cross multiply
3,447,428.13x = 5,167,549.89 × 1,928,884.68 - Step 4: Simplify right side
3,447,428.13x = 9,967,607,815,956.68 - Step 5: Solve for x
x = 9,967,607,815,956.68/3,447,428.13 - Step 6: Final answer
x = 2,891,317.07
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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.