Finding the Fourth Proportional to 4,160,491.20, 6,241,341.60 and 1,764,331.20
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Solution
The fourth proportional to 4,160,491.20, 6,241,341.60 and 1,764,331.20 is: 2,646,753.28
Step by Step Solution
- Step 1: Write the proportion equation
4,160,491.20 : 6,241,341.60 = 1,764,331.20 : x - Step 2: Convert to fraction form
4,160,491.20/6,241,341.60 = 1,764,331.20/x - Step 3: Cross multiply
4,160,491.20x = 6,241,341.60 × 1,764,331.20 - Step 4: Simplify right side
4,160,491.20x = 11,011,793,714,737.92 - Step 5: Solve for x
x = 11,011,793,714,737.92/4,160,491.20 - Step 6: Final answer
x = 2,646,753.28
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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.