Finding the Fourth Proportional to 4,806,542.16, 7,209,550.80 and 1,212,310.80
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Solution
The fourth proportional to 4,806,542.16, 7,209,550.80 and 1,212,310.80 is: 1,818,400.01
Step by Step Solution
- Step 1: Write the proportion equation
4,806,542.16 : 7,209,550.80 = 1,212,310.80 : x - Step 2: Convert to fraction form
4,806,542.16/7,209,550.80 = 1,212,310.80/x - Step 3: Cross multiply
4,806,542.16x = 7,209,550.80 × 1,212,310.80 - Step 4: Simplify right side
4,806,542.16x = 8,740,216,297,988.64 - Step 5: Solve for x
x = 8,740,216,297,988.64/4,806,542.16 - Step 6: Final answer
x = 1,818,400.01
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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.