Finding the Fourth Proportional to 4,242,054.24, 6,364,077.60 and 1,402,166.32
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Solution
The fourth proportional to 4,242,054.24, 6,364,077.60 and 1,402,166.32 is: 2,103,578.78
Step by Step Solution
- Step 1: Write the proportion equation
4,242,054.24 : 6,364,077.60 = 1,402,166.32 : x - Step 2: Convert to fraction form
4,242,054.24/6,364,077.60 = 1,402,166.32/x - Step 3: Cross multiply
4,242,054.24x = 6,364,077.60 × 1,402,166.32 - Step 4: Simplify right side
4,242,054.24x = 8,923,495,268,586.43 - Step 5: Solve for x
x = 8,923,495,268,586.43/4,242,054.24 - Step 6: Final answer
x = 2,103,578.78
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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.