Finding the Fourth Proportional to 7,717,907.80, 10,651,367.46 and 4,281,256
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Solution
The fourth proportional to 7,717,907.80, 10,651,367.46 and 4,281,256 is: 5,908,496.45
Step by Step Solution
- Step 1: Write the proportion equation
7,717,907.80 : 10,651,367.46 = 4,281,256 : x - Step 2: Convert to fraction form
7,717,907.80/10,651,367.46 = 4,281,256/x - Step 3: Cross multiply
7,717,907.80x = 10,651,367.46 × 4,281,256 - Step 4: Simplify right side
7,717,907.80x = 45,601,230,846,329.77 - Step 5: Solve for x
x = 45,601,230,846,329.77/7,717,907.80 - Step 6: Final answer
x = 5,908,496.45
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1.5x scale
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.