Finding the Fourth Proportional to 3,381,053.07, 4,665,966.08 and 1,853,164.11
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Solution
The fourth proportional to 3,381,053.07, 4,665,966.08 and 1,853,164.11 is: 2,557,428.32
Step by Step Solution
- Step 1: Write the proportion equation
3,381,053.07 : 4,665,966.08 = 1,853,164.11 : x - Step 2: Convert to fraction form
3,381,053.07/4,665,966.08 = 1,853,164.11/x - Step 3: Cross multiply
3,381,053.07x = 4,665,966.08 × 1,853,164.11 - Step 4: Simplify right side
3,381,053.07x = 8,646,800,868,667.57 - Step 5: Solve for x
x = 8,646,800,868,667.57/3,381,053.07 - Step 6: Final answer
x = 2,557,428.32
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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.