Finding the Fourth Proportional to 4,884,172.13, 6,740,561.04 and 2,709,416.45
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Solution
The fourth proportional to 4,884,172.13, 6,740,561.04 and 2,709,416.45 is: 3,739,218.54
Step by Step Solution
- Step 1: Write the proportion equation
4,884,172.13 : 6,740,561.04 = 2,709,416.45 : x - Step 2: Convert to fraction form
4,884,172.13/6,740,561.04 = 2,709,416.45/x - Step 3: Cross multiply
4,884,172.13x = 6,740,561.04 × 2,709,416.45 - Step 4: Simplify right side
4,884,172.13x = 18,262,986,964,005.11 - Step 5: Solve for x
x = 18,262,986,964,005.11/4,884,172.13 - Step 6: Final answer
x = 3,739,218.54
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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.