Finding the Fourth Proportional to 2,689,689.11, 4,032,335.03 and 1,251,269.13
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Solution
The fourth proportional to 2,689,689.11, 4,032,335.03 and 1,251,269.13 is: 1,875,880.87
Step by Step Solution
- Step 1: Write the proportion equation
2,689,689.11 : 4,032,335.03 = 1,251,269.13 : x - Step 2: Convert to fraction form
2,689,689.11/4,032,335.03 = 1,251,269.13/x - Step 3: Cross multiply
2,689,689.11x = 4,032,335.03 × 1,251,269.13 - Step 4: Simplify right side
2,689,689.11x = 5,045,536,338,600.28 - Step 5: Solve for x
x = 5,045,536,338,600.28/2,689,689.11 - Step 6: Final answer
x = 1,875,880.87
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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.