Finding the Fourth Proportional to 5,697,860.71, 7,863,044.16 and 3,119,540.80
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Solution
The fourth proportional to 5,697,860.71, 7,863,044.16 and 3,119,540.80 is: 4,304,964.32
Step by Step Solution
- Step 1: Write the proportion equation
5,697,860.71 : 7,863,044.16 = 3,119,540.80 : x - Step 2: Convert to fraction form
5,697,860.71/7,863,044.16 = 3,119,540.80/x - Step 3: Cross multiply
5,697,860.71x = 7,863,044.16 × 3,119,540.80 - Step 4: Simplify right side
5,697,860.71x = 24,529,087,069,321.73 - Step 5: Solve for x
x = 24,529,087,069,321.73/5,697,860.71 - Step 6: Final answer
x = 4,304,964.32
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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.