Finding the Fourth Proportional to 2,143,964.06, 2,958,537.84 and 1,177,088.93
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Solution
The fourth proportional to 2,143,964.06, 2,958,537.84 and 1,177,088.93 is: 1,624,309.94
Step by Step Solution
- Step 1: Write the proportion equation
2,143,964.06 : 2,958,537.84 = 1,177,088.93 : x - Step 2: Convert to fraction form
2,143,964.06/2,958,537.84 = 1,177,088.93/x - Step 3: Cross multiply
2,143,964.06x = 2,958,537.84 × 1,177,088.93 - Step 4: Simplify right side
2,143,964.06x = 3,482,462,140,450.11 - Step 5: Solve for x
x = 3,482,462,140,450.11/2,143,964.06 - Step 6: Final answer
x = 1,624,309.94
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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.