Finding the Fourth Proportional to 4,490,348.24, 6,739,780.64 and 2,779,315.82
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Solution
The fourth proportional to 4,490,348.24, 6,739,780.64 and 2,779,315.82 is: 4,171,609.40
Step by Step Solution
- Step 1: Write the proportion equation
4,490,348.24 : 6,739,780.64 = 2,779,315.82 : x - Step 2: Convert to fraction form
4,490,348.24/6,739,780.64 = 2,779,315.82/x - Step 3: Cross multiply
4,490,348.24x = 6,739,780.64 × 2,779,315.82 - Step 4: Simplify right side
4,490,348.24x = 18,731,978,908,486.24 - Step 5: Solve for x
x = 18,731,978,908,486.24/4,490,348.24 - Step 6: Final answer
x = 4,171,609.40
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.