Finding the Fourth Proportional to 2,842,509.10, 3,923,062.61 and 1,809,686.96
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Solution
The fourth proportional to 2,842,509.10, 3,923,062.61 and 1,809,686.96 is: 2,497,622.70
Step by Step Solution
- Step 1: Write the proportion equation
2,842,509.10 : 3,923,062.61 = 1,809,686.96 : x - Step 2: Convert to fraction form
2,842,509.10/3,923,062.61 = 1,809,686.96/x - Step 3: Cross multiply
2,842,509.10x = 3,923,062.61 × 1,809,686.96 - Step 4: Simplify right side
2,842,509.10x = 7,099,515,243,297.13 - Step 5: Solve for x
x = 7,099,515,243,297.13/2,842,509.10 - Step 6: Final answer
x = 2,497,622.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.