Finding the Fourth Proportional to 2,176,369.12, 3,265,106.64 and 1,278,569.92
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Solution
The fourth proportional to 2,176,369.12, 3,265,106.64 and 1,278,569.92 is: 1,918,179.73
Step by Step Solution
- Step 1: Write the proportion equation
2,176,369.12 : 3,265,106.64 = 1,278,569.92 : x - Step 2: Convert to fraction form
2,176,369.12/3,265,106.64 = 1,278,569.92/x - Step 3: Cross multiply
2,176,369.12x = 3,265,106.64 × 1,278,569.92 - Step 4: Simplify right side
2,176,369.12x = 4,174,667,135,496.27 - Step 5: Solve for x
x = 4,174,667,135,496.27/2,176,369.12 - Step 6: Final answer
x = 1,918,179.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.