Finding the Fourth Proportional to 5,553,228.80, 8,323,622.40 and 3,158,220.80
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Solution
The fourth proportional to 5,553,228.80, 8,323,622.40 and 3,158,220.80 is: 4,733,793.32
Step by Step Solution
- Step 1: Write the proportion equation
5,553,228.80 : 8,323,622.40 = 3,158,220.80 : x - Step 2: Convert to fraction form
5,553,228.80/8,323,622.40 = 3,158,220.80/x - Step 3: Cross multiply
5,553,228.80x = 8,323,622.40 × 3,158,220.80 - Step 4: Simplify right side
5,553,228.80x = 26,287,837,395,025.92 - Step 5: Solve for x
x = 26,287,837,395,025.92/5,553,228.80 - Step 6: Final answer
x = 4,733,793.32
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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.