Finding the Fourth Proportional to 4,212,842.92, 5,813,888.07 and 2,470,270.12
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Solution
The fourth proportional to 4,212,842.92, 5,813,888.07 and 2,470,270.12 is: 3,409,069.42
Step by Step Solution
- Step 1: Write the proportion equation
4,212,842.92 : 5,813,888.07 = 2,470,270.12 : x - Step 2: Convert to fraction form
4,212,842.92/5,813,888.07 = 2,470,270.12/x - Step 3: Cross multiply
4,212,842.92x = 5,813,888.07 × 2,470,270.12 - Step 4: Simplify right side
4,212,842.92x = 14,361,873,980,345.47 - Step 5: Solve for x
x = 14,361,873,980,345.47/4,212,842.92 - Step 6: Final answer
x = 3,409,069.42
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1.5x scale
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.