Finding the Fourth Proportional to 4,269,106.86, 5,891,349.84 and 2,308,987.09
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Solution
The fourth proportional to 4,269,106.86, 5,891,349.84 and 2,308,987.09 is: 3,186,392.65
Step by Step Solution
- Step 1: Write the proportion equation
4,269,106.86 : 5,891,349.84 = 2,308,987.09 : x - Step 2: Convert to fraction form
4,269,106.86/5,891,349.84 = 2,308,987.09/x - Step 3: Cross multiply
4,269,106.86x = 5,891,349.84 × 2,308,987.09 - Step 4: Simplify right side
4,269,106.86x = 13,603,050,711,688.63 - Step 5: Solve for x
x = 13,603,050,711,688.63/4,269,106.86 - Step 6: Final answer
x = 3,186,392.65
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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.