Finding the Fourth Proportional to 2,655,696.70, 3,984,529.20 and 858,638.80
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Solution
The fourth proportional to 2,655,696.70, 3,984,529.20 and 858,638.80 is: 1,288,276.39
Step by Step Solution
- Step 1: Write the proportion equation
2,655,696.70 : 3,984,529.20 = 858,638.80 : x - Step 2: Convert to fraction form
2,655,696.70/3,984,529.20 = 858,638.80/x - Step 3: Cross multiply
2,655,696.70x = 3,984,529.20 × 858,638.80 - Step 4: Simplify right side
2,655,696.70x = 3,421,271,370,852.96 - Step 5: Solve for x
x = 3,421,271,370,852.96/2,655,696.70 - Step 6: Final answer
x = 1,288,276.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.