Finding the Fourth Proportional to 3,169,415.19, 4,373,760.81 and 1,719,079.47
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Solution
The fourth proportional to 3,169,415.19, 4,373,760.81 and 1,719,079.47 is: 2,372,312.23
Step by Step Solution
- Step 1: Write the proportion equation
3,169,415.19 : 4,373,760.81 = 1,719,079.47 : x - Step 2: Convert to fraction form
3,169,415.19/4,373,760.81 = 1,719,079.47/x - Step 3: Cross multiply
3,169,415.19x = 4,373,760.81 × 1,719,079.47 - Step 4: Simplify right side
3,169,415.19x = 7,518,842,415,161.57 - Step 5: Solve for x
x = 7,518,842,415,161.57/3,169,415.19 - Step 6: Final answer
x = 2,372,312.23
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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.