Finding the Fourth Proportional to 5,674,284.75, 7,821,365.52 and 3,838,073.40
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Solution
The fourth proportional to 5,674,284.75, 7,821,365.52 and 3,838,073.40 is: 5,290,353.99
Step by Step Solution
- Step 1: Write the proportion equation
5,674,284.75 : 7,821,365.52 = 3,838,073.40 : x - Step 2: Convert to fraction form
5,674,284.75/7,821,365.52 = 3,838,073.40/x - Step 3: Cross multiply
5,674,284.75x = 7,821,365.52 × 3,838,073.40 - Step 4: Simplify right side
5,674,284.75x = 30,018,974,953,989.16 - Step 5: Solve for x
x = 30,018,974,953,989.16/5,674,284.75 - Step 6: Final answer
x = 5,290,353.99
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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.