Finding the Fourth Proportional to 4,797,590.70, 6,620,495.40 and 2,622,116.10
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Solution
The fourth proportional to 4,797,590.70, 6,620,495.40 and 2,622,116.10 is: 3,618,421.97
Step by Step Solution
- Step 1: Write the proportion equation
4,797,590.70 : 6,620,495.40 = 2,622,116.10 : x - Step 2: Convert to fraction form
4,797,590.70/6,620,495.40 = 2,622,116.10/x - Step 3: Cross multiply
4,797,590.70x = 6,620,495.40 × 2,622,116.10 - Step 4: Simplify right side
4,797,590.70x = 17,359,707,578,315.94 - Step 5: Solve for x
x = 17,359,707,578,315.94/4,797,590.70 - Step 6: Final answer
x = 3,618,421.97
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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.