Finding the Fourth Proportional to 6,127,609.68, 8,456,113.80 and 3,411,452.88
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Solution
The fourth proportional to 6,127,609.68, 8,456,113.80 and 3,411,452.88 is: 4,707,811.90
Step by Step Solution
- Step 1: Write the proportion equation
6,127,609.68 : 8,456,113.80 = 3,411,452.88 : x - Step 2: Convert to fraction form
6,127,609.68/8,456,113.80 = 3,411,452.88/x - Step 3: Cross multiply
6,127,609.68x = 8,456,113.80 × 3,411,452.88 - Step 4: Simplify right side
6,127,609.68x = 28,847,633,776,617.75 - Step 5: Solve for x
x = 28,847,633,776,617.75/6,127,609.68 - Step 6: Final answer
x = 4,707,811.90
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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.