Finding the Fourth Proportional to 4,900,387.09, 6,762,539.73 and 2,724,883.52
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Solution
The fourth proportional to 4,900,387.09, 6,762,539.73 and 2,724,883.52 is: 3,760,342.34
Step by Step Solution
- Step 1: Write the proportion equation
4,900,387.09 : 6,762,539.73 = 2,724,883.52 : x - Step 2: Convert to fraction form
4,900,387.09/6,762,539.73 = 2,724,883.52/x - Step 3: Cross multiply
4,900,387.09x = 6,762,539.73 × 2,724,883.52 - Step 4: Simplify right side
4,900,387.09x = 18,427,133,063,622.25 - Step 5: Solve for x
x = 18,427,133,063,622.25/4,900,387.09 - Step 6: Final answer
x = 3,760,342.34
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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.