Finding the Fourth Proportional to 5,492,168.80, 8,221,664.40 and 4,828,616.80
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Solution
The fourth proportional to 5,492,168.80, 8,221,664.40 and 4,828,616.80 is: 7,228,340.62
Step by Step Solution
- Step 1: Write the proportion equation
5,492,168.80 : 8,221,664.40 = 4,828,616.80 : x - Step 2: Convert to fraction form
5,492,168.80/8,221,664.40 = 4,828,616.80/x - Step 3: Cross multiply
5,492,168.80x = 8,221,664.40 × 4,828,616.80 - Step 4: Simplify right side
5,492,168.80x = 39,699,266,845,801.92 - Step 5: Solve for x
x = 39,699,266,845,801.92/5,492,168.80 - Step 6: Final answer
x = 7,228,340.62
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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.