Finding the Fourth Proportional to 2,075,680.41, 2,864,374 and 1,216,812.70
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Solution
The fourth proportional to 2,075,680.41, 2,864,374 and 1,216,812.70 is: 1,679,163.44
Step by Step Solution
- Step 1: Write the proportion equation
2,075,680.41 : 2,864,374 = 1,216,812.70 : x - Step 2: Convert to fraction form
2,075,680.41/2,864,374 = 1,216,812.70/x - Step 3: Cross multiply
2,075,680.41x = 2,864,374 × 1,216,812.70 - Step 4: Simplify right side
2,075,680.41x = 3,485,406,660,749.80 - Step 5: Solve for x
x = 3,485,406,660,749.80/2,075,680.41 - Step 6: Final answer
x = 1,679,163.44
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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.