Finding the Fourth Proportional to 1,422,826.44, 2,134,243.30 and 581,378.19
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Solution
The fourth proportional to 1,422,826.44, 2,134,243.30 and 581,378.19 is: 872,068.77
Step by Step Solution
- Step 1: Write the proportion equation
1,422,826.44 : 2,134,243.30 = 581,378.19 : x - Step 2: Convert to fraction form
1,422,826.44/2,134,243.30 = 581,378.19/x - Step 3: Cross multiply
1,422,826.44x = 2,134,243.30 × 581,378.19 - Step 4: Simplify right side
1,422,826.44x = 1,240,802,506,773.63 - Step 5: Solve for x
x = 1,240,802,506,773.63/1,422,826.44 - Step 6: Final answer
x = 872,068.77
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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.