Finding the Fourth Proportional to 3,438,261.05, 5,157,562.88 and 1,308,510.23
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Solution
The fourth proportional to 3,438,261.05, 5,157,562.88 and 1,308,510.23 is: 1,962,830.54
Step by Step Solution
- Step 1: Write the proportion equation
3,438,261.05 : 5,157,562.88 = 1,308,510.23 : x - Step 2: Convert to fraction form
3,438,261.05/5,157,562.88 = 1,308,510.23/x - Step 3: Cross multiply
3,438,261.05x = 5,157,562.88 × 1,308,510.23 - Step 4: Simplify right side
3,438,261.05x = 6,748,723,790,348.26 - Step 5: Solve for x
x = 6,748,723,790,348.26/3,438,261.05 - Step 6: Final answer
x = 1,962,830.54
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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.