Finding the Fourth Proportional to 4,121,405.36, 5,680,970.02 and 3,248,818
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Solution
The fourth proportional to 4,121,405.36, 5,680,970.02 and 3,248,818 is: 4,478,190.34
Step by Step Solution
- Step 1: Write the proportion equation
4,121,405.36 : 5,680,970.02 = 3,248,818 : x - Step 2: Convert to fraction form
4,121,405.36/5,680,970.02 = 3,248,818/x - Step 3: Cross multiply
4,121,405.36x = 5,680,970.02 × 3,248,818 - Step 4: Simplify right side
4,121,405.36x = 18,456,437,658,436.36 - Step 5: Solve for x
x = 18,456,437,658,436.36/4,121,405.36 - Step 6: Final answer
x = 4,478,190.34
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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.