Finding the Fourth Proportional to 7,187,701.47, 10,775,253.64 and 2,703,126.75
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Solution
The fourth proportional to 7,187,701.47, 10,775,253.64 and 2,703,126.75 is: 4,052,321.38
Step by Step Solution
- Step 1: Write the proportion equation
7,187,701.47 : 10,775,253.64 = 2,703,126.75 : x - Step 2: Convert to fraction form
7,187,701.47/10,775,253.64 = 2,703,126.75/x - Step 3: Cross multiply
7,187,701.47x = 10,775,253.64 × 2,703,126.75 - Step 4: Simplify right side
7,187,701.47x = 29,126,876,352,318.87 - Step 5: Solve for x
x = 29,126,876,352,318.87/7,187,701.47 - Step 6: Final answer
x = 4,052,321.38
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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.