Finding the Fourth Proportional to 1,864,885.20, 2,797,327.80 and 1,491,637.20
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Solution
The fourth proportional to 1,864,885.20, 2,797,327.80 and 1,491,637.20 is: 2,237,455.80
Step by Step Solution
- Step 1: Write the proportion equation
1,864,885.20 : 2,797,327.80 = 1,491,637.20 : x - Step 2: Convert to fraction form
1,864,885.20/2,797,327.80 = 1,491,637.20/x - Step 3: Cross multiply
1,864,885.20x = 2,797,327.80 × 1,491,637.20 - Step 4: Simplify right side
1,864,885.20x = 4,172,598,207,074.16 - Step 5: Solve for x
x = 4,172,598,207,074.16/1,864,885.20 - Step 6: Final answer
x = 2,237,455.80
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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.