Finding the Fourth Proportional to 4,279,498.11, 5,905,680.64 and 2,345,840.19
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Solution
The fourth proportional to 4,279,498.11, 5,905,680.64 and 2,345,840.19 is: 3,237,244.80
Step by Step Solution
- Step 1: Write the proportion equation
4,279,498.11 : 5,905,680.64 = 2,345,840.19 : x - Step 2: Convert to fraction form
4,279,498.11/5,905,680.64 = 2,345,840.19/x - Step 3: Cross multiply
4,279,498.11x = 5,905,680.64 × 2,345,840.19 - Step 4: Simplify right side
4,279,498.11x = 13,853,782,988,752.32 - Step 5: Solve for x
x = 13,853,782,988,752.32/4,279,498.11 - Step 6: Final answer
x = 3,237,244.80
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1.5x scale
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.