Finding the Fourth Proportional to 4,816,444.74, 6,646,768.65 and 2,641,186.50
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Solution
The fourth proportional to 4,816,444.74, 6,646,768.65 and 2,641,186.50 is: 3,644,878.45
Step by Step Solution
- Step 1: Write the proportion equation
4,816,444.74 : 6,646,768.65 = 2,641,186.50 : x - Step 2: Convert to fraction form
4,816,444.74/6,646,768.65 = 2,641,186.50/x - Step 3: Cross multiply
4,816,444.74x = 6,646,768.65 × 2,641,186.50 - Step 4: Simplify right side
4,816,444.74x = 17,555,355,627,003.23 - Step 5: Solve for x
x = 17,555,355,627,003.23/4,816,444.74 - Step 6: Final answer
x = 3,644,878.45
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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.