Finding the Fourth Proportional to 3,021,386.51, 4,532,230.36 and 862,731.79
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Solution
The fourth proportional to 3,021,386.51, 4,532,230.36 and 862,731.79 is: 1,294,140.69
Step by Step Solution
- Step 1: Write the proportion equation
3,021,386.51 : 4,532,230.36 = 862,731.79 : x - Step 2: Convert to fraction form
3,021,386.51/4,532,230.36 = 862,731.79/x - Step 3: Cross multiply
3,021,386.51x = 4,532,230.36 × 862,731.79 - Step 4: Simplify right side
3,021,386.51x = 3,910,099,211,175.15 - Step 5: Solve for x
x = 3,910,099,211,175.15/3,021,386.51 - Step 6: Final answer
x = 1,294,140.69
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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.