Finding the Fourth Proportional to 2,465,899.75, 3,402,930.30 and 1,378,171.00
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Solution
The fourth proportional to 2,465,899.75, 3,402,930.30 and 1,378,171.00 is: 1,901,869.63
Step by Step Solution
- Step 1: Write the proportion equation
2,465,899.75 : 3,402,930.30 = 1,378,171.00 : x - Step 2: Convert to fraction form
2,465,899.75/3,402,930.30 = 1,378,171.00/x - Step 3: Cross multiply
2,465,899.75x = 3,402,930.30 × 1,378,171.00 - Step 4: Simplify right side
2,465,899.75x = 4,689,819,837,466.65 - Step 5: Solve for x
x = 4,689,819,837,466.65/2,465,899.75 - Step 6: Final answer
x = 1,901,869.63
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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.