Finding the Fourth Proportional to 4,395,611.20, 6,594,583.20 and 1,555,427.20
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Solution
The fourth proportional to 4,395,611.20, 6,594,583.20 and 1,555,427.20 is: 2,333,553.54
Step by Step Solution
- Step 1: Write the proportion equation
4,395,611.20 : 6,594,583.20 = 1,555,427.20 : x - Step 2: Convert to fraction form
4,395,611.20/6,594,583.20 = 1,555,427.20/x - Step 3: Cross multiply
4,395,611.20x = 6,594,583.20 × 1,555,427.20 - Step 4: Simplify right side
4,395,611.20x = 10,257,394,081,943.04 - Step 5: Solve for x
x = 10,257,394,081,943.04/4,395,611.20 - Step 6: Final answer
x = 2,333,553.54
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1.5x scale
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.