Finding the Fourth Proportional to 2,752,493.80, 4,128,740.70 and 2,043,905.80
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Solution
The fourth proportional to 2,752,493.80, 4,128,740.70 and 2,043,905.80 is: 3,065,858.70
Step by Step Solution
- Step 1: Write the proportion equation
2,752,493.80 : 4,128,740.70 = 2,043,905.80 : x - Step 2: Convert to fraction form
2,752,493.80/4,128,740.70 = 2,043,905.80/x - Step 3: Cross multiply
2,752,493.80x = 4,128,740.70 × 2,043,905.80 - Step 4: Simplify right side
2,752,493.80x = 8,438,757,063,426.06 - Step 5: Solve for x
x = 8,438,757,063,426.06/2,752,493.80 - Step 6: Final answer
x = 3,065,858.70
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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.