Finding the Fourth Proportional to 4,490,779.91, 6,197,278.56 and 2,425,795.38
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Solution
The fourth proportional to 4,490,779.91, 6,197,278.56 and 2,425,795.38 is: 3,347,598.86
Step by Step Solution
- Step 1: Write the proportion equation
4,490,779.91 : 6,197,278.56 = 2,425,795.38 : x - Step 2: Convert to fraction form
4,490,779.91/6,197,278.56 = 2,425,795.38/x - Step 3: Cross multiply
4,490,779.91x = 6,197,278.56 × 2,425,795.38 - Step 4: Simplify right side
4,490,779.91x = 15,033,329,699,421.05 - Step 5: Solve for x
x = 15,033,329,699,421.05/4,490,779.91 - Step 6: Final answer
x = 3,347,598.86
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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.