Finding the Fourth Proportional to 3,982,544.05, 5,973,777.20 and 1,142,671.09
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Solution
The fourth proportional to 3,982,544.05, 5,973,777.20 and 1,142,671.09 is: 1,713,995.48
Step by Step Solution
- Step 1: Write the proportion equation
3,982,544.05 : 5,973,777.20 = 1,142,671.09 : x - Step 2: Convert to fraction form
3,982,544.05/5,973,777.20 = 1,142,671.09/x - Step 3: Cross multiply
3,982,544.05x = 5,973,777.20 × 1,142,671.09 - Step 4: Simplify right side
3,982,544.05x = 6,826,062,498,827.79 - Step 5: Solve for x
x = 6,826,062,498,827.79/3,982,544.05 - Step 6: Final answer
x = 1,713,995.48
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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.