Finding the Fourth Proportional to 1,645,765.24, 2,266,109.30 and 1,440,668.38
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Solution
The fourth proportional to 1,645,765.24, 2,266,109.30 and 1,440,668.38 is: 1,983,704.56
Step by Step Solution
- Step 1: Write the proportion equation
1,645,765.24 : 2,266,109.30 = 1,440,668.38 : x - Step 2: Convert to fraction form
1,645,765.24/2,266,109.30 = 1,440,668.38/x - Step 3: Cross multiply
1,645,765.24x = 2,266,109.30 × 1,440,668.38 - Step 4: Simplify right side
1,645,765.24x = 3,264,712,014,133.93 - Step 5: Solve for x
x = 3,264,712,014,133.93/1,645,765.24 - Step 6: Final answer
x = 1,983,704.56
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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.