Finding the Fourth Proportional to 6,236,690.40, 9,348,037.20 and 3,542,306.40
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Solution
The fourth proportional to 6,236,690.40, 9,348,037.20 and 3,542,306.40 is: 5,309,484.66
Step by Step Solution
- Step 1: Write the proportion equation
6,236,690.40 : 9,348,037.20 = 3,542,306.40 : x - Step 2: Convert to fraction form
6,236,690.40/9,348,037.20 = 3,542,306.40/x - Step 3: Cross multiply
6,236,690.40x = 9,348,037.20 × 3,542,306.40 - Step 4: Simplify right side
6,236,690.40x = 33,113,612,000,998.08 - Step 5: Solve for x
x = 33,113,612,000,998.08/6,236,690.40 - Step 6: Final answer
x = 5,309,484.66
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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.