Finding the Fourth Proportional to 5,000,190.21, 6,900,262.83 and 2,708,351.64
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Solution
The fourth proportional to 5,000,190.21, 6,900,262.83 and 2,708,351.64 is: 3,737,525.45
Step by Step Solution
- Step 1: Write the proportion equation
5,000,190.21 : 6,900,262.83 = 2,708,351.64 : x - Step 2: Convert to fraction form
5,000,190.21/6,900,262.83 = 2,708,351.64/x - Step 3: Cross multiply
5,000,190.21x = 6,900,262.83 × 2,708,351.64 - Step 4: Simplify right side
5,000,190.21x = 18,688,338,152,061.54 - Step 5: Solve for x
x = 18,688,338,152,061.54/5,000,190.21 - Step 6: Final answer
x = 3,737,525.45
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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.