Finding the Fourth Proportional to 2,793,166.80, 4,189,750.20 and 1,110,270.30
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Solution
The fourth proportional to 2,793,166.80, 4,189,750.20 and 1,110,270.30 is: 1,665,405.45
Step by Step Solution
- Step 1: Write the proportion equation
2,793,166.80 : 4,189,750.20 = 1,110,270.30 : x - Step 2: Convert to fraction form
2,793,166.80/4,189,750.20 = 1,110,270.30/x - Step 3: Cross multiply
2,793,166.80x = 4,189,750.20 × 1,110,270.30 - Step 4: Simplify right side
2,793,166.80x = 4,651,755,211,479.06 - Step 5: Solve for x
x = 4,651,755,211,479.06/2,793,166.80 - Step 6: Final answer
x = 1,665,405.45
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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.