Finding the Fourth Proportional to 1,665,045.99, 2,297,762.45 and 939,899.97
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Solution
The fourth proportional to 1,665,045.99, 2,297,762.45 and 939,899.97 is: 1,297,061.38
Step by Step Solution
- Step 1: Write the proportion equation
1,665,045.99 : 2,297,762.45 = 939,899.97 : x - Step 2: Convert to fraction form
1,665,045.99/2,297,762.45 = 939,899.97/x - Step 3: Cross multiply
1,665,045.99x = 2,297,762.45 × 939,899.97 - Step 4: Simplify right side
1,665,045.99x = 2,159,666,858,867.03 - Step 5: Solve for x
x = 2,159,666,858,867.03/1,665,045.99 - Step 6: Final answer
x = 1,297,061.38
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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.