Finding the Fourth Proportional to 3,413,915.09, 5,120,177.52 and 1,254,197.91
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Solution
The fourth proportional to 3,413,915.09, 5,120,177.52 and 1,254,197.91 is: 1,881,041.49
Step by Step Solution
- Step 1: Write the proportion equation
3,413,915.09 : 5,120,177.52 = 1,254,197.91 : x - Step 2: Convert to fraction form
3,413,915.09/5,120,177.52 = 1,254,197.91/x - Step 3: Cross multiply
3,413,915.09x = 5,120,177.52 × 1,254,197.91 - Step 4: Simplify right side
3,413,915.09x = 6,421,715,944,412.98 - Step 5: Solve for x
x = 6,421,715,944,412.98/3,413,915.09 - Step 6: Final answer
x = 1,881,041.49
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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.