Finding the Fourth Proportional to 3,896,507.19, 5,377,345.98 and 2,177,627.64
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Solution
The fourth proportional to 3,896,507.19, 5,377,345.98 and 2,177,627.64 is: 3,005,218.95
Step by Step Solution
- Step 1: Write the proportion equation
3,896,507.19 : 5,377,345.98 = 2,177,627.64 : x - Step 2: Convert to fraction form
3,896,507.19/5,377,345.98 = 2,177,627.64/x - Step 3: Cross multiply
3,896,507.19x = 5,377,345.98 × 2,177,627.64 - Step 4: Simplify right side
3,896,507.19x = 11,709,857,235,890.89 - Step 5: Solve for x
x = 11,709,857,235,890.89/3,896,507.19 - Step 6: Final answer
x = 3,005,218.95
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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.