Finding the Fourth Proportional to 7,207,507.80, 10,811,261.70 and 2,413,603.80
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Solution
The fourth proportional to 7,207,507.80, 10,811,261.70 and 2,413,603.80 is: 3,620,405.70
Step by Step Solution
- Step 1: Write the proportion equation
7,207,507.80 : 10,811,261.70 = 2,413,603.80 : x - Step 2: Convert to fraction form
7,207,507.80/10,811,261.70 = 2,413,603.80/x - Step 3: Cross multiply
7,207,507.80x = 10,811,261.70 × 2,413,603.80 - Step 4: Simplify right side
7,207,507.80x = 26,094,102,321,914.46 - Step 5: Solve for x
x = 26,094,102,321,914.46/7,207,507.80 - Step 6: Final answer
x = 3,620,405.70
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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.