Finding the Fourth Proportional to 5,726,060.68, 7,901,807.70 and 3,147,742.12
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Solution
The fourth proportional to 5,726,060.68, 7,901,807.70 and 3,147,742.12 is: 4,343,798.35
Step by Step Solution
- Step 1: Write the proportion equation
5,726,060.68 : 7,901,807.70 = 3,147,742.12 : x - Step 2: Convert to fraction form
5,726,060.68/7,901,807.70 = 3,147,742.12/x - Step 3: Cross multiply
5,726,060.68x = 7,901,807.70 × 3,147,742.12 - Step 4: Simplify right side
5,726,060.68x = 24,872,852,921,430.32 - Step 5: Solve for x
x = 24,872,852,921,430.32/5,726,060.68 - Step 6: Final answer
x = 4,343,798.35
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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.