Finding the Fourth Proportional to 2,538,190.74, 3,805,392.61 and 1,527,075.79
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Solution
The fourth proportional to 2,538,190.74, 3,805,392.61 and 1,527,075.79 is: 2,289,474.48
Step by Step Solution
- Step 1: Write the proportion equation
2,538,190.74 : 3,805,392.61 = 1,527,075.79 : x - Step 2: Convert to fraction form
2,538,190.74/3,805,392.61 = 1,527,075.79/x - Step 3: Cross multiply
2,538,190.74x = 3,805,392.61 × 1,527,075.79 - Step 4: Simplify right side
2,538,190.74x = 5,811,122,909,981.47 - Step 5: Solve for x
x = 5,811,122,909,981.47/2,538,190.74 - Step 6: Final answer
x = 2,289,474.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.