Finding the Fourth Proportional to 1,442,985.84, 2,162,408.40 and 810,568.62
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Solution
The fourth proportional to 1,442,985.84, 2,162,408.40 and 810,568.62 is: 1,214,689.95
Step by Step Solution
- Step 1: Write the proportion equation
1,442,985.84 : 2,162,408.40 = 810,568.62 : x - Step 2: Convert to fraction form
1,442,985.84/2,162,408.40 = 810,568.62/x - Step 3: Cross multiply
1,442,985.84x = 2,162,408.40 × 810,568.62 - Step 4: Simplify right side
1,442,985.84x = 1,752,780,392,664.41 - Step 5: Solve for x
x = 1,752,780,392,664.41/1,442,985.84 - Step 6: Final answer
x = 1,214,689.95
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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.