Finding the Fourth Proportional to 3,943,353.68, 5,441,890.24 and 2,224,507.76
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Solution
The fourth proportional to 3,943,353.68, 5,441,890.24 and 2,224,507.76 is: 3,069,855.78
Step by Step Solution
- Step 1: Write the proportion equation
3,943,353.68 : 5,441,890.24 = 2,224,507.76 : x - Step 2: Convert to fraction form
3,943,353.68/5,441,890.24 = 2,224,507.76/x - Step 3: Cross multiply
3,943,353.68x = 5,441,890.24 × 2,224,507.76 - Step 4: Simplify right side
3,943,353.68x = 12,105,527,067,948.26 - Step 5: Solve for x
x = 12,105,527,067,948.26/3,943,353.68 - Step 6: Final answer
x = 3,069,855.78
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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.