Finding the Fourth Proportional to 5,022,829.50, 6,931,455.84 and 2,730,990.18
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Solution
The fourth proportional to 5,022,829.50, 6,931,455.84 and 2,730,990.18 is: 3,768,739.88
Step by Step Solution
- Step 1: Write the proportion equation
5,022,829.50 : 6,931,455.84 = 2,730,990.18 : x - Step 2: Convert to fraction form
5,022,829.50/6,931,455.84 = 2,730,990.18/x - Step 3: Cross multiply
5,022,829.50x = 6,931,455.84 × 2,730,990.18 - Step 4: Simplify right side
5,022,829.50x = 18,929,737,832,143.65 - Step 5: Solve for x
x = 18,929,737,832,143.65/5,022,829.50 - Step 6: Final answer
x = 3,768,739.88
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1.5x scale
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.