Finding the Fourth Proportional to 4,958,542.47, 6,842,839.30 and 2,783,041.99
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Solution
The fourth proportional to 4,958,542.47, 6,842,839.30 and 2,783,041.99 is: 3,840,626.40
Step by Step Solution
- Step 1: Write the proportion equation
4,958,542.47 : 6,842,839.30 = 2,783,041.99 : x - Step 2: Convert to fraction form
4,958,542.47/6,842,839.30 = 2,783,041.99/x - Step 3: Cross multiply
4,958,542.47x = 6,842,839.30 × 2,783,041.99 - Step 4: Simplify right side
4,958,542.47x = 19,043,909,117,148.48 - Step 5: Solve for x
x = 19,043,909,117,148.48/4,958,542.47 - Step 6: Final answer
x = 3,840,626.40
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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.