Finding the Fourth Proportional to 4,122,871.08, 5,690,245.02 and 2,287,918.78
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Solution
The fourth proportional to 4,122,871.08, 5,690,245.02 and 2,287,918.78 is: 3,157,706.90
Step by Step Solution
- Step 1: Write the proportion equation
4,122,871.08 : 5,690,245.02 = 2,287,918.78 : x - Step 2: Convert to fraction form
4,122,871.08/5,690,245.02 = 2,287,918.78/x - Step 3: Cross multiply
4,122,871.08x = 5,690,245.02 × 2,287,918.78 - Step 4: Simplify right side
4,122,871.08x = 13,018,818,444,059.47 - Step 5: Solve for x
x = 13,018,818,444,059.47/4,122,871.08 - Step 6: Final answer
x = 3,157,706.90
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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.