Finding the Fourth Proportional to 4,391,578.37, 6,059,655.05 and 2,758,829.48
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Solution
The fourth proportional to 4,391,578.37, 6,059,655.05 and 2,758,829.48 is: 3,806,730.42
Step by Step Solution
- Step 1: Write the proportion equation
4,391,578.37 : 6,059,655.05 = 2,758,829.48 : x - Step 2: Convert to fraction form
4,391,578.37/6,059,655.05 = 2,758,829.48/x - Step 3: Cross multiply
4,391,578.37x = 6,059,655.05 × 2,758,829.48 - Step 4: Simplify right side
4,391,578.37x = 16,717,554,990,570.87 - Step 5: Solve for x
x = 16,717,554,990,570.87/4,391,578.37 - Step 6: Final answer
x = 3,806,730.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.