Finding the Fourth Proportional to 3,475,957.76, 5,214,271.84 and 1,079,158.88
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Solution
The fourth proportional to 3,475,957.76, 5,214,271.84 and 1,079,158.88 is: 1,618,842.39
Step by Step Solution
- Step 1: Write the proportion equation
3,475,957.76 : 5,214,271.84 = 1,079,158.88 : x - Step 2: Convert to fraction form
3,475,957.76/5,214,271.84 = 1,079,158.88/x - Step 3: Cross multiply
3,475,957.76x = 5,214,271.84 × 1,079,158.88 - Step 4: Simplify right side
3,475,957.76x = 5,627,027,758,869.94 - Step 5: Solve for x
x = 5,627,027,758,869.94/3,475,957.76 - Step 6: Final answer
x = 1,618,842.39
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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.