Finding the Fourth Proportional to 1,581,415.95, 2,182,344.84 and 856,248.69
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Solution
The fourth proportional to 1,581,415.95, 2,182,344.84 and 856,248.69 is: 1,181,618.23
Step by Step Solution
- Step 1: Write the proportion equation
1,581,415.95 : 2,182,344.84 = 856,248.69 : x - Step 2: Convert to fraction form
1,581,415.95/2,182,344.84 = 856,248.69/x - Step 3: Cross multiply
1,581,415.95x = 2,182,344.84 × 856,248.69 - Step 4: Simplify right side
1,581,415.95x = 1,868,629,910,378.26 - Step 5: Solve for x
x = 1,868,629,910,378.26/1,581,415.95 - Step 6: Final answer
x = 1,181,618.23
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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.