Finding the Fourth Proportional to 1,581,215.26, 2,182,075.74 and 856,069.24
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Solution
The fourth proportional to 1,581,215.26, 2,182,075.74 and 856,069.24 is: 1,181,374.84
Step by Step Solution
- Step 1: Write the proportion equation
1,581,215.26 : 2,182,075.74 = 856,069.24 : x - Step 2: Convert to fraction form
1,581,215.26/2,182,075.74 = 856,069.24/x - Step 3: Cross multiply
1,581,215.26x = 2,182,075.74 × 856,069.24 - Step 4: Simplify right side
1,581,215.26x = 1,868,007,920,364.24 - Step 5: Solve for x
x = 1,868,007,920,364.24/1,581,215.26 - Step 6: Final answer
x = 1,181,374.84
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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.