Finding the Fourth Proportional to 2,919,907.60, 4,029,814.86 and 1,758,939.96
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Solution
The fourth proportional to 2,919,907.60, 4,029,814.86 and 1,758,939.96 is: 2,427,543.39
Step by Step Solution
- Step 1: Write the proportion equation
2,919,907.60 : 4,029,814.86 = 1,758,939.96 : x - Step 2: Convert to fraction form
2,919,907.60/4,029,814.86 = 1,758,939.96/x - Step 3: Cross multiply
2,919,907.60x = 4,029,814.86 × 1,758,939.96 - Step 4: Simplify right side
2,919,907.60x = 7,088,202,408,489.16 - Step 5: Solve for x
x = 7,088,202,408,489.16/2,919,907.60 - Step 6: Final answer
x = 2,427,543.39
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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.