Finding the Fourth Proportional to 5,169,120.99, 7,135,594.84 and 3,679,934.03
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Solution
The fourth proportional to 5,169,120.99, 7,135,594.84 and 3,679,934.03 is: 5,079,880.76
Step by Step Solution
- Step 1: Write the proportion equation
5,169,120.99 : 7,135,594.84 = 3,679,934.03 : x - Step 2: Convert to fraction form
5,169,120.99/7,135,594.84 = 3,679,934.03/x - Step 3: Cross multiply
5,169,120.99x = 7,135,594.84 × 3,679,934.03 - Step 4: Simplify right side
5,169,120.99x = 26,258,518,276,008.40 - Step 5: Solve for x
x = 26,258,518,276,008.40/5,169,120.99 - Step 6: Final answer
x = 5,079,880.76
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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.