Finding the Fourth Proportional to 5,708,754.21, 8,570,438.79 and 4,904,285.39
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Solution
The fourth proportional to 5,708,754.21, 8,570,438.79 and 4,904,285.39 is: 7,362,705.81
Step by Step Solution
- Step 1: Write the proportion equation
5,708,754.21 : 8,570,438.79 = 4,904,285.39 : x - Step 2: Convert to fraction form
5,708,754.21/8,570,438.79 = 4,904,285.39/x - Step 3: Cross multiply
5,708,754.21x = 8,570,438.79 × 4,904,285.39 - Step 4: Simplify right side
5,708,754.21x = 42,031,877,765,112.38 - Step 5: Solve for x
x = 42,031,877,765,112.38/5,708,754.21 - Step 6: Final answer
x = 7,362,705.81
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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.