Finding the Fourth Proportional to 3,999,975.40, 6,001,873.08 and 1,869,749.92
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Solution
The fourth proportional to 3,999,975.40, 6,001,873.08 and 1,869,749.92 is: 2,805,517.68
Step by Step Solution
- Step 1: Write the proportion equation
3,999,975.40 : 6,001,873.08 = 1,869,749.92 : x - Step 2: Convert to fraction form
3,999,975.40/6,001,873.08 = 1,869,749.92/x - Step 3: Cross multiply
3,999,975.40x = 6,001,873.08 × 1,869,749.92 - Step 4: Simplify right side
3,999,975.40x = 11,222,001,711,180.15 - Step 5: Solve for x
x = 11,222,001,711,180.15/3,999,975.40 - Step 6: Final answer
x = 2,805,517.68
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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.