Finding the Fourth Proportional to 3,580,177.77, 4,940,685.59 and 1,948,595.49
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Solution
The fourth proportional to 3,580,177.77, 4,940,685.59 and 1,948,595.49 is: 2,689,083.69
Step by Step Solution
- Step 1: Write the proportion equation
3,580,177.77 : 4,940,685.59 = 1,948,595.49 : x - Step 2: Convert to fraction form
3,580,177.77/4,940,685.59 = 1,948,595.49/x - Step 3: Cross multiply
3,580,177.77x = 4,940,685.59 × 1,948,595.49 - Step 4: Simplify right side
3,580,177.77x = 9,627,397,648,439.01 - Step 5: Solve for x
x = 9,627,397,648,439.01/3,580,177.77 - Step 6: Final answer
x = 2,689,083.69
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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.