Finding the Fourth Proportional to 5,386,564.80, 8,079,847.20 and 2,552,212.80
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Solution
The fourth proportional to 5,386,564.80, 8,079,847.20 and 2,552,212.80 is: 3,828,319.20
Step by Step Solution
- Step 1: Write the proportion equation
5,386,564.80 : 8,079,847.20 = 2,552,212.80 : x - Step 2: Convert to fraction form
5,386,564.80/8,079,847.20 = 2,552,212.80/x - Step 3: Cross multiply
5,386,564.80x = 8,079,847.20 × 2,552,212.80 - Step 4: Simplify right side
5,386,564.80x = 20,621,489,445,884.16 - Step 5: Solve for x
x = 20,621,489,445,884.16/5,386,564.80 - Step 6: Final answer
x = 3,828,319.20
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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.