Finding the Fourth Proportional to 5,352,726.80, 8,026,433.40 and 1,940,877.20
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Solution
The fourth proportional to 5,352,726.80, 8,026,433.40 and 1,940,877.20 is: 2,910,352.46
Step by Step Solution
- Step 1: Write the proportion equation
5,352,726.80 : 8,026,433.40 = 1,940,877.20 : x - Step 2: Convert to fraction form
5,352,726.80/8,026,433.40 = 1,940,877.20/x - Step 3: Cross multiply
5,352,726.80x = 8,026,433.40 × 1,940,877.20 - Step 4: Simplify right side
5,352,726.80x = 15,578,321,583,378.48 - Step 5: Solve for x
x = 15,578,321,583,378.48/5,352,726.80 - Step 6: Final answer
x = 2,910,352.46
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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.