Finding the Fourth Proportional to 3,719,378.12, 5,581,219.55 and 1,560,209.81
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Solution
The fourth proportional to 3,719,378.12, 5,581,219.55 and 1,560,209.81 is: 2,341,217.59
Step by Step Solution
- Step 1: Write the proportion equation
3,719,378.12 : 5,581,219.55 = 1,560,209.81 : x - Step 2: Convert to fraction form
3,719,378.12/5,581,219.55 = 1,560,209.81/x - Step 3: Cross multiply
3,719,378.12x = 5,581,219.55 × 1,560,209.81 - Step 4: Simplify right side
3,719,378.12x = 8,707,873,457,966.64 - Step 5: Solve for x
x = 8,707,873,457,966.64/3,719,378.12 - Step 6: Final answer
x = 2,341,217.59
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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.