Finding the Fourth Proportional to 3,799,830.36, 5,243,664.32 and 2,168,208.08
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Solution
The fourth proportional to 3,799,830.36, 5,243,664.32 and 2,168,208.08 is: 2,992,069.19
Step by Step Solution
- Step 1: Write the proportion equation
3,799,830.36 : 5,243,664.32 = 2,168,208.08 : x - Step 2: Convert to fraction form
3,799,830.36/5,243,664.32 = 2,168,208.08/x - Step 3: Cross multiply
3,799,830.36x = 5,243,664.32 × 2,168,208.08 - Step 4: Simplify right side
3,799,830.36x = 11,369,355,347,431.71 - Step 5: Solve for x
x = 11,369,355,347,431.71/3,799,830.36 - Step 6: Final answer
x = 2,992,069.19
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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.