Finding the Fourth Proportional to 5,341,778.88, 8,013,037.68 and 2,146,907.76
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Solution
The fourth proportional to 5,341,778.88, 8,013,037.68 and 2,146,907.76 is: 3,220,510.09
Step by Step Solution
- Step 1: Write the proportion equation
5,341,778.88 : 8,013,037.68 = 2,146,907.76 : x - Step 2: Convert to fraction form
5,341,778.88/8,013,037.68 = 2,146,907.76/x - Step 3: Cross multiply
5,341,778.88x = 8,013,037.68 × 2,146,907.76 - Step 4: Simplify right side
5,341,778.88x = 17,203,252,776,364.39 - Step 5: Solve for x
x = 17,203,252,776,364.39/5,341,778.88 - Step 6: Final answer
x = 3,220,510.09
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1.5x scale
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.