Finding the Fourth Proportional to 5,470,140.80, 8,205,532.20 and 2,058,456.44
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Solution
The fourth proportional to 5,470,140.80, 8,205,532.20 and 2,058,456.44 is: 3,087,805.45
Step by Step Solution
- Step 1: Write the proportion equation
5,470,140.80 : 8,205,532.20 = 2,058,456.44 : x - Step 2: Convert to fraction form
5,470,140.80/8,205,532.20 = 2,058,456.44/x - Step 3: Cross multiply
5,470,140.80x = 8,205,532.20 × 2,058,456.44 - Step 4: Simplify right side
5,470,140.80x = 16,890,730,600,717.37 - Step 5: Solve for x
x = 16,890,730,600,717.37/5,470,140.80 - Step 6: Final answer
x = 3,087,805.45
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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.