Finding the Fourth Proportional to 3,865,168.18, 5,798,465.02 and 1,271,618.98
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Solution
The fourth proportional to 3,865,168.18, 5,798,465.02 and 1,271,618.98 is: 1,907,662.96
Step by Step Solution
- Step 1: Write the proportion equation
3,865,168.18 : 5,798,465.02 = 1,271,618.98 : x - Step 2: Convert to fraction form
3,865,168.18/5,798,465.02 = 1,271,618.98/x - Step 3: Cross multiply
3,865,168.18x = 5,798,465.02 × 1,271,618.98 - Step 4: Simplify right side
3,865,168.18x = 7,373,438,174,298.08 - Step 5: Solve for x
x = 7,373,438,174,298.08/3,865,168.18 - Step 6: Final answer
x = 1,907,662.96
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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.