Finding the Fourth Proportional to 2,128,991.93, 3,192,306.37 and 708,272.45
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Solution
The fourth proportional to 2,128,991.93, 3,192,306.37 and 708,272.45 is: 1,062,015.61
Step by Step Solution
- Step 1: Write the proportion equation
2,128,991.93 : 3,192,306.37 = 708,272.45 : x - Step 2: Convert to fraction form
2,128,991.93/3,192,306.37 = 708,272.45/x - Step 3: Cross multiply
2,128,991.93x = 3,192,306.37 × 708,272.45 - Step 4: Simplify right side
2,128,991.93x = 2,261,022,653,830.51 - Step 5: Solve for x
x = 2,261,022,653,830.51/2,128,991.93 - Step 6: Final answer
x = 1,062,015.61
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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.