Finding the Fourth Proportional to 3,164,590.08, 4,366,247.94 and 1,987,315.74
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Solution
The fourth proportional to 3,164,590.08, 4,366,247.94 and 1,987,315.74 is: 2,741,939.09
Step by Step Solution
- Step 1: Write the proportion equation
3,164,590.08 : 4,366,247.94 = 1,987,315.74 : x - Step 2: Convert to fraction form
3,164,590.08/4,366,247.94 = 1,987,315.74/x - Step 3: Cross multiply
3,164,590.08x = 4,366,247.94 × 1,987,315.74 - Step 4: Simplify right side
3,164,590.08x = 8,677,113,255,904.58 - Step 5: Solve for x
x = 8,677,113,255,904.58/3,164,590.08 - Step 6: Final answer
x = 2,741,939.09
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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.