Finding the Fourth Proportional to 2,465,740.87, 3,402,827.49 and 1,378,012.42
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Solution
The fourth proportional to 2,465,740.87, 3,402,827.49 and 1,378,012.42 is: 1,901,715.87
Step by Step Solution
- Step 1: Write the proportion equation
2,465,740.87 : 3,402,827.49 = 1,378,012.42 : x - Step 2: Convert to fraction form
2,465,740.87/3,402,827.49 = 1,378,012.42/x - Step 3: Cross multiply
2,465,740.87x = 3,402,827.49 × 1,378,012.42 - Step 4: Simplify right side
2,465,740.87x = 4,689,138,544,337.43 - Step 5: Solve for x
x = 4,689,138,544,337.43/2,465,740.87 - Step 6: Final answer
x = 1,901,715.87
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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.