Finding the Fourth Proportional to 4,293,365.76, 5,922,478.08 and 3,487,150.08
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Solution
The fourth proportional to 4,293,365.76, 5,922,478.08 and 3,487,150.08 is: 4,810,344.86
Step by Step Solution
- Step 1: Write the proportion equation
4,293,365.76 : 5,922,478.08 = 3,487,150.08 : x - Step 2: Convert to fraction form
4,293,365.76/5,922,478.08 = 3,487,150.08/x - Step 3: Cross multiply
4,293,365.76x = 5,922,478.08 × 3,487,150.08 - Step 4: Simplify right side
4,293,365.76x = 20,652,569,910,470.25 - Step 5: Solve for x
x = 20,652,569,910,470.25/4,293,365.76 - Step 6: Final answer
x = 4,810,344.86
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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.