Finding the Fourth Proportional to 2,221,336.80, 3,335,504.40 and 1,276,552.80
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Solution
The fourth proportional to 2,221,336.80, 3,335,504.40 and 1,276,552.80 is: 1,916,840.11
Step by Step Solution
- Step 1: Write the proportion equation
2,221,336.80 : 3,335,504.40 = 1,276,552.80 : x - Step 2: Convert to fraction form
2,221,336.80/3,335,504.40 = 1,276,552.80/x - Step 3: Cross multiply
2,221,336.80x = 3,335,504.40 × 1,276,552.80 - Step 4: Simplify right side
2,221,336.80x = 4,257,947,481,232.32 - Step 5: Solve for x
x = 4,257,947,481,232.32/2,221,336.80 - Step 6: Final answer
x = 1,916,840.11
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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.