Finding the Fourth Proportional to 2,561,276.58, 3,534,572.61 and 1,399,745.94
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Solution
The fourth proportional to 2,561,276.58, 3,534,572.61 and 1,399,745.94 is: 1,931,655.37
Step by Step Solution
- Step 1: Write the proportion equation
2,561,276.58 : 3,534,572.61 = 1,399,745.94 : x - Step 2: Convert to fraction form
2,561,276.58/3,534,572.61 = 1,399,745.94/x - Step 3: Cross multiply
2,561,276.58x = 3,534,572.61 × 1,399,745.94 - Step 4: Simplify right side
2,561,276.58x = 4,947,503,660,482.70 - Step 5: Solve for x
x = 4,947,503,660,482.70/2,561,276.58 - Step 6: Final answer
x = 1,931,655.37
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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.