Finding the Fourth Proportional to 2,872,762.14, 3,964,438.70 and 1,583,648.65
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Solution
The fourth proportional to 2,872,762.14, 3,964,438.70 and 1,583,648.65 is: 2,185,449.99
Step by Step Solution
- Step 1: Write the proportion equation
2,872,762.14 : 3,964,438.70 = 1,583,648.65 : x - Step 2: Convert to fraction form
2,872,762.14/3,964,438.70 = 1,583,648.65/x - Step 3: Cross multiply
2,872,762.14x = 3,964,438.70 × 1,583,648.65 - Step 4: Simplify right side
2,872,762.14x = 6,278,277,995,262.76 - Step 5: Solve for x
x = 6,278,277,995,262.76/2,872,762.14 - Step 6: Final answer
x = 2,185,449.99
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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.