Finding the Fourth Proportional to 4,986,724.80, 7,461,424.80 and 3,307,108.80
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Solution
The fourth proportional to 4,986,724.80, 7,461,424.80 and 3,307,108.80 is: 4,948,286.62
Step by Step Solution
- Step 1: Write the proportion equation
4,986,724.80 : 7,461,424.80 = 3,307,108.80 : x - Step 2: Convert to fraction form
4,986,724.80/7,461,424.80 = 3,307,108.80/x - Step 3: Cross multiply
4,986,724.80x = 7,461,424.80 × 3,307,108.80 - Step 4: Simplify right side
4,986,724.80x = 24,675,743,616,618.24 - Step 5: Solve for x
x = 24,675,743,616,618.24/4,986,724.80 - Step 6: Final answer
x = 4,948,286.62
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1.5x scale
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.