Finding the Fourth Proportional to 3,804,679.20, 5,250,397.68 and 2,085,813.84
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Solution
The fourth proportional to 3,804,679.20, 5,250,397.68 and 2,085,813.84 is: 2,878,390.42
Step by Step Solution
- Step 1: Write the proportion equation
3,804,679.20 : 5,250,397.68 = 2,085,813.84 : x - Step 2: Convert to fraction form
3,804,679.20/5,250,397.68 = 2,085,813.84/x - Step 3: Cross multiply
3,804,679.20x = 5,250,397.68 × 2,085,813.84 - Step 4: Simplify right side
3,804,679.20x = 10,951,352,146,447.89 - Step 5: Solve for x
x = 10,951,352,146,447.89/3,804,679.20 - Step 6: Final answer
x = 2,878,390.42
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1.5x scale
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.