Finding the Fourth Proportional to 2,143,265.96, 2,957,696.64 and 1,176,412.70
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Solution
The fourth proportional to 2,143,265.96, 2,957,696.64 and 1,176,412.70 is: 1,623,443.83
Step by Step Solution
- Step 1: Write the proportion equation
2,143,265.96 : 2,957,696.64 = 1,176,412.70 : x - Step 2: Convert to fraction form
2,143,265.96/2,957,696.64 = 1,176,412.70/x - Step 3: Cross multiply
2,143,265.96x = 2,957,696.64 × 1,176,412.70 - Step 4: Simplify right side
2,143,265.96x = 3,479,471,897,437.57 - Step 5: Solve for x
x = 3,479,471,897,437.57/2,143,265.96 - Step 6: Final answer
x = 1,623,443.83
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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.