Finding the Fourth Proportional to 2,152,091.70, 2,969,850.35 and 1,185,312.02
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Solution
The fourth proportional to 2,152,091.70, 2,969,850.35 and 1,185,312.02 is: 1,635,710.65
Step by Step Solution
- Step 1: Write the proportion equation
2,152,091.70 : 2,969,850.35 = 1,185,312.02 : x - Step 2: Convert to fraction form
2,152,091.70/2,969,850.35 = 1,185,312.02/x - Step 3: Cross multiply
2,152,091.70x = 2,969,850.35 × 1,185,312.02 - Step 4: Simplify right side
2,152,091.70x = 3,520,199,305,570.24 - Step 5: Solve for x
x = 3,520,199,305,570.24/2,152,091.70 - Step 6: Final answer
x = 1,635,710.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.