Finding the Fourth Proportional to 5,220,880.73, 7,839,008.67 and 2,919,882.03
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Solution
The fourth proportional to 5,220,880.73, 7,839,008.67 and 2,919,882.03 is: 4,384,122.48
Step by Step Solution
- Step 1: Write the proportion equation
5,220,880.73 : 7,839,008.67 = 2,919,882.03 : x - Step 2: Convert to fraction form
5,220,880.73/7,839,008.67 = 2,919,882.03/x - Step 3: Cross multiply
5,220,880.73x = 7,839,008.67 × 2,919,882.03 - Step 4: Simplify right side
5,220,880.73x = 22,888,980,548,547.20 - Step 5: Solve for x
x = 22,888,980,548,547.20/5,220,880.73 - Step 6: Final answer
x = 4,384,122.48
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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.