Finding the Fourth Proportional to 1,489,642.36, 2,231,644.33 and 880,607.28
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Solution
The fourth proportional to 1,489,642.36, 2,231,644.33 and 880,607.28 is: 1,319,244.33
Step by Step Solution
- Step 1: Write the proportion equation
1,489,642.36 : 2,231,644.33 = 880,607.28 : x - Step 2: Convert to fraction form
1,489,642.36/2,231,644.33 = 880,607.28/x - Step 3: Cross multiply
1,489,642.36x = 2,231,644.33 × 880,607.28 - Step 4: Simplify right side
1,489,642.36x = 1,965,202,243,368.72 - Step 5: Solve for x
x = 1,965,202,243,368.72/1,489,642.36 - Step 6: Final answer
x = 1,319,244.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.