Finding the Fourth Proportional to 2,086,176.39, 2,879,372.66 and 1,270,648.95
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Solution
The fourth proportional to 2,086,176.39, 2,879,372.66 and 1,270,648.95 is: 1,753,769.17
Step by Step Solution
- Step 1: Write the proportion equation
2,086,176.39 : 2,879,372.66 = 1,270,648.95 : x - Step 2: Convert to fraction form
2,086,176.39/2,879,372.66 = 1,270,648.95/x - Step 3: Cross multiply
2,086,176.39x = 2,879,372.66 × 1,270,648.95 - Step 4: Simplify right side
2,086,176.39x = 3,658,671,840,734.46 - Step 5: Solve for x
x = 3,658,671,840,734.46/2,086,176.39 - Step 6: Final answer
x = 1,753,769.17
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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.