Finding the Fourth Proportional to 2,769,148.80, 4,146,724.80 and 2,209,276.80
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Solution
The fourth proportional to 2,769,148.80, 4,146,724.80 and 2,209,276.80 is: 3,308,331.75
Step by Step Solution
- Step 1: Write the proportion equation
2,769,148.80 : 4,146,724.80 = 2,209,276.80 : x - Step 2: Convert to fraction form
2,769,148.80/4,146,724.80 = 2,209,276.80/x - Step 3: Cross multiply
2,769,148.80x = 4,146,724.80 × 2,209,276.80 - Step 4: Simplify right side
2,769,148.80x = 9,161,262,896,624.64 - Step 5: Solve for x
x = 9,161,262,896,624.64/2,769,148.80 - Step 6: Final answer
x = 3,308,331.75
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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.