Finding the Fourth Proportional to 3,896,598.62, 5,377,313.89 and 2,177,719.09
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Solution
The fourth proportional to 3,896,598.62, 5,377,313.89 and 2,177,719.09 is: 3,005,256.70
Step by Step Solution
- Step 1: Write the proportion equation
3,896,598.62 : 5,377,313.89 = 2,177,719.09 : x - Step 2: Convert to fraction form
3,896,598.62/5,377,313.89 = 2,177,719.09/x - Step 3: Cross multiply
3,896,598.62x = 5,377,313.89 × 2,177,719.09 - Step 4: Simplify right side
3,896,598.62x = 11,710,279,100,454.03 - Step 5: Solve for x
x = 11,710,279,100,454.03/3,896,598.62 - Step 6: Final answer
x = 3,005,256.70
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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.