Finding the Fourth Proportional to 2,163,862.80, 3,239,573.40 and 1,324,054.80
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Solution
The fourth proportional to 2,163,862.80, 3,239,573.40 and 1,324,054.80 is: 1,982,275.73
Step by Step Solution
- Step 1: Write the proportion equation
2,163,862.80 : 3,239,573.40 = 1,324,054.80 : x - Step 2: Convert to fraction form
2,163,862.80/3,239,573.40 = 1,324,054.80/x - Step 3: Cross multiply
2,163,862.80x = 3,239,573.40 × 1,324,054.80 - Step 4: Simplify right side
2,163,862.80x = 4,289,372,710,222.32 - Step 5: Solve for x
x = 4,289,372,710,222.32/2,163,862.80 - Step 6: Final answer
x = 1,982,275.73
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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.