Finding the Fourth Proportional to 3,896,488.05, 5,377,319.58 and 2,177,608.52
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Solution
The fourth proportional to 3,896,488.05, 5,377,319.58 and 2,177,608.52 is: 3,005,192.56
Step by Step Solution
- Step 1: Write the proportion equation
3,896,488.05 : 5,377,319.58 = 2,177,608.52 : x - Step 2: Convert to fraction form
3,896,488.05/5,377,319.58 = 2,177,608.52/x - Step 3: Cross multiply
3,896,488.05x = 5,377,319.58 × 2,177,608.52 - Step 4: Simplify right side
3,896,488.05x = 11,709,696,905,284.22 - Step 5: Solve for x
x = 11,709,696,905,284.22/3,896,488.05 - Step 6: Final answer
x = 3,005,192.56
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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.