Finding the Fourth Proportional to 3,611,452.16, 4,983,772.14 and 1,979,829.86
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Solution
The fourth proportional to 3,611,452.16, 4,983,772.14 and 1,979,829.86 is: 2,732,147.75
Step by Step Solution
- Step 1: Write the proportion equation
3,611,452.16 : 4,983,772.14 = 1,979,829.86 : x - Step 2: Convert to fraction form
3,611,452.16/4,983,772.14 = 1,979,829.86/x - Step 3: Cross multiply
3,611,452.16x = 4,983,772.14 × 1,979,829.86 - Step 4: Simplify right side
3,611,452.16x = 9,867,020,898,208.10 - Step 5: Solve for x
x = 9,867,020,898,208.10/3,611,452.16 - Step 6: Final answer
x = 2,732,147.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.