Finding the Fourth Proportional to 5,012,836.97, 7,519,401.25 and 1,226,318.63
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Solution
The fourth proportional to 5,012,836.97, 7,519,401.25 and 1,226,318.63 is: 1,839,513.61
Step by Step Solution
- Step 1: Write the proportion equation
5,012,836.97 : 7,519,401.25 = 1,226,318.63 : x - Step 2: Convert to fraction form
5,012,836.97/7,519,401.25 = 1,226,318.63/x - Step 3: Cross multiply
5,012,836.97x = 7,519,401.25 × 1,226,318.63 - Step 4: Simplify right side
5,012,836.97x = 9,221,181,798,657.49 - Step 5: Solve for x
x = 9,221,181,798,657.49/5,012,836.97 - Step 6: Final answer
x = 1,839,513.61
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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.