Finding the Fourth Proportional to 4,221,735.80, 5,825,980.50 and 2,288,043.32
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Solution
The fourth proportional to 4,221,735.80, 5,825,980.50 and 2,288,043.32 is: 3,157,491.70
Step by Step Solution
- Step 1: Write the proportion equation
4,221,735.80 : 5,825,980.50 = 2,288,043.32 : x - Step 2: Convert to fraction form
4,221,735.80/5,825,980.50 = 2,288,043.32/x - Step 3: Cross multiply
4,221,735.80x = 5,825,980.50 × 2,288,043.32 - Step 4: Simplify right side
4,221,735.80x = 13,330,095,765,475.26 - Step 5: Solve for x
x = 13,330,095,765,475.26/4,221,735.80 - Step 6: Final answer
x = 3,157,491.70
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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.