Finding the Fourth Proportional to 1,557,761.70, 2,336,642.55 and 956,774.10
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Solution
The fourth proportional to 1,557,761.70, 2,336,642.55 and 956,774.10 is: 1,435,161.15
Step by Step Solution
- Step 1: Write the proportion equation
1,557,761.70 : 2,336,642.55 = 956,774.10 : x - Step 2: Convert to fraction form
1,557,761.70/2,336,642.55 = 956,774.10/x - Step 3: Cross multiply
1,557,761.70x = 2,336,642.55 × 956,774.10 - Step 4: Simplify right side
1,557,761.70x = 2,235,639,072,797.95 - Step 5: Solve for x
x = 2,235,639,072,797.95/1,557,761.70 - Step 6: Final answer
x = 1,435,161.15
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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.