Finding the Fourth Proportional to 6,248,199.36, 8,619,970.68 and 4,071,949.68
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Solution
The fourth proportional to 6,248,199.36, 8,619,970.68 and 4,071,949.68 is: 5,617,632.35
Step by Step Solution
- Step 1: Write the proportion equation
6,248,199.36 : 8,619,970.68 = 4,071,949.68 : x - Step 2: Convert to fraction form
6,248,199.36/8,619,970.68 = 4,071,949.68/x - Step 3: Cross multiply
6,248,199.36x = 8,619,970.68 × 4,071,949.68 - Step 4: Simplify right side
6,248,199.36x = 35,100,086,852,035.38 - Step 5: Solve for x
x = 35,100,086,852,035.38/6,248,199.36 - Step 6: Final answer
x = 5,617,632.35
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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.