Finding the Fourth Proportional to 2,228,847.09, 3,075,808.93 and 1,210,251.84
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Solution
The fourth proportional to 2,228,847.09, 3,075,808.93 and 1,210,251.84 is: 1,670,147.51
Step by Step Solution
- Step 1: Write the proportion equation
2,228,847.09 : 3,075,808.93 = 1,210,251.84 : x - Step 2: Convert to fraction form
2,228,847.09/3,075,808.93 = 1,210,251.84/x - Step 3: Cross multiply
2,228,847.09x = 3,075,808.93 × 1,210,251.84 - Step 4: Simplify right side
2,228,847.09x = 3,722,503,417,020.93 - Step 5: Solve for x
x = 3,722,503,417,020.93/2,228,847.09 - Step 6: Final answer
x = 1,670,147.51
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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.