Finding the Fourth Proportional to 2,864,481.68, 3,952,905.81 and 1,575,321.93
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Solution
The fourth proportional to 2,864,481.68, 3,952,905.81 and 1,575,321.93 is: 2,173,900.87
Step by Step Solution
- Step 1: Write the proportion equation
2,864,481.68 : 3,952,905.81 = 1,575,321.93 : x - Step 2: Convert to fraction form
2,864,481.68/3,952,905.81 = 1,575,321.93/x - Step 3: Cross multiply
2,864,481.68x = 3,952,905.81 × 1,575,321.93 - Step 4: Simplify right side
2,864,481.68x = 6,227,099,209,717.41 - Step 5: Solve for x
x = 6,227,099,209,717.41/2,864,481.68 - Step 6: Final answer
x = 2,173,900.87
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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.