Finding the Fourth Proportional to 3,177,221.75, 4,381,548.50 and 2,090,415.59
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Solution
The fourth proportional to 3,177,221.75, 4,381,548.50 and 2,090,415.59 is: 2,882,788.17
Step by Step Solution
- Step 1: Write the proportion equation
3,177,221.75 : 4,381,548.50 = 2,090,415.59 : x - Step 2: Convert to fraction form
3,177,221.75/4,381,548.50 = 2,090,415.59/x - Step 3: Cross multiply
3,177,221.75x = 4,381,548.50 × 2,090,415.59 - Step 4: Simplify right side
3,177,221.75x = 9,159,257,282,289.04 - Step 5: Solve for x
x = 9,159,257,282,289.04/3,177,221.75 - Step 6: Final answer
x = 2,882,788.17
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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.