Finding the Fourth Proportional to 2,275,107.12, 3,413,365.20 and 1,365,305.76
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Solution
The fourth proportional to 2,275,107.12, 3,413,365.20 and 1,365,305.76 is: 2,048,381.43
Step by Step Solution
- Step 1: Write the proportion equation
2,275,107.12 : 3,413,365.20 = 1,365,305.76 : x - Step 2: Convert to fraction form
2,275,107.12/3,413,365.20 = 1,365,305.76/x - Step 3: Cross multiply
2,275,107.12x = 3,413,365.20 × 1,365,305.76 - Step 4: Simplify right side
2,275,107.12x = 4,660,287,168,543.55 - Step 5: Solve for x
x = 4,660,287,168,543.55/2,275,107.12 - Step 6: Final answer
x = 2,048,381.43
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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.