Finding the Fourth Proportional to 1,489,578.42, 2,234,364.21 and 542,562.06
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Solution
The fourth proportional to 1,489,578.42, 2,234,364.21 and 542,562.06 is: 813,841.84
Step by Step Solution
- Step 1: Write the proportion equation
1,489,578.42 : 2,234,364.21 = 542,562.06 : x - Step 2: Convert to fraction form
1,489,578.42/2,234,364.21 = 542,562.06/x - Step 3: Cross multiply
1,489,578.42x = 2,234,364.21 × 542,562.06 - Step 4: Simplify right side
1,489,578.42x = 1,212,281,248,567.87 - Step 5: Solve for x
x = 1,212,281,248,567.87/1,489,578.42 - Step 6: Final answer
x = 813,841.84
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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.