Finding the Fourth Proportional to 5,316,699.80, 7,337,026.86 and 2,993,592.08
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Solution
The fourth proportional to 5,316,699.80, 7,337,026.86 and 2,993,592.08 is: 4,131,146.45
Step by Step Solution
- Step 1: Write the proportion equation
5,316,699.80 : 7,337,026.86 = 2,993,592.08 : x - Step 2: Convert to fraction form
5,316,699.80/7,337,026.86 = 2,993,592.08/x - Step 3: Cross multiply
5,316,699.80x = 7,337,026.86 × 2,993,592.08 - Step 4: Simplify right side
5,316,699.80x = 21,964,065,498,843.27 - Step 5: Solve for x
x = 21,964,065,498,843.27/5,316,699.80 - Step 6: Final answer
x = 4,131,146.45
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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.