Finding the Fourth Proportional to 1,965,689.51, 2,948,535.47 and 545,745.74
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Solution
The fourth proportional to 1,965,689.51, 2,948,535.47 and 545,745.74 is: 818,618.94
Step by Step Solution
- Step 1: Write the proportion equation
1,965,689.51 : 2,948,535.47 = 545,745.74 : x - Step 2: Convert to fraction form
1,965,689.51/2,948,535.47 = 545,745.74/x - Step 3: Cross multiply
1,965,689.51x = 2,948,535.47 × 545,745.74 - Step 4: Simplify right side
1,965,689.51x = 1,609,150,658,613.08 - Step 5: Solve for x
x = 1,609,150,658,613.08/1,965,689.51 - Step 6: Final answer
x = 818,618.94
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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.