Finding the Fourth Proportional to 4,712,982.97, 7,062,884.49 and 2,549,337.31
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Solution
The fourth proportional to 4,712,982.97, 7,062,884.49 and 2,549,337.31 is: 3,820,441.33
Step by Step Solution
- Step 1: Write the proportion equation
4,712,982.97 : 7,062,884.49 = 2,549,337.31 : x - Step 2: Convert to fraction form
4,712,982.97/7,062,884.49 = 2,549,337.31/x - Step 3: Cross multiply
4,712,982.97x = 7,062,884.49 × 2,549,337.31 - Step 4: Simplify right side
4,712,982.97x = 18,005,674,946,577.32 - Step 5: Solve for x
x = 18,005,674,946,577.32/4,712,982.97 - Step 6: Final answer
x = 3,820,441.33
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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.