Finding the Fourth Proportional to 5,745,531.60, 8,617,965.12 and 2,104,718.40
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Solution
The fourth proportional to 5,745,531.60, 8,617,965.12 and 2,104,718.40 is: 3,156,955.88
Step by Step Solution
- Step 1: Write the proportion equation
5,745,531.60 : 8,617,965.12 = 2,104,718.40 : x - Step 2: Convert to fraction form
5,745,531.60/8,617,965.12 = 2,104,718.40/x - Step 3: Cross multiply
5,745,531.60x = 8,617,965.12 × 2,104,718.40 - Step 4: Simplify right side
5,745,531.60x = 18,138,389,758,622.21 - Step 5: Solve for x
x = 18,138,389,758,622.21/5,745,531.60 - Step 6: Final answer
x = 3,156,955.88
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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.