Finding the Fourth Proportional to 2,818,540.80, 4,220,812.80 and 2,258,668.80
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Solution
The fourth proportional to 2,818,540.80, 4,220,812.80 and 2,258,668.80 is: 3,382,394.95
Step by Step Solution
- Step 1: Write the proportion equation
2,818,540.80 : 4,220,812.80 = 2,258,668.80 : x - Step 2: Convert to fraction form
2,818,540.80/4,220,812.80 = 2,258,668.80/x - Step 3: Cross multiply
2,818,540.80x = 4,220,812.80 × 2,258,668.80 - Step 4: Simplify right side
2,818,540.80x = 9,533,418,182,000.64 - Step 5: Solve for x
x = 9,533,418,182,000.64/2,818,540.80 - Step 6: Final answer
x = 3,382,394.95
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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.