Finding the Fourth Proportional to 1,307,850.21, 1,805,714.01 and 1,169,600.19
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Solution
The fourth proportional to 1,307,850.21, 1,805,714.01 and 1,169,600.19 is: 1,614,835.88
Step by Step Solution
- Step 1: Write the proportion equation
1,307,850.21 : 1,805,714.01 = 1,169,600.19 : x - Step 2: Convert to fraction form
1,307,850.21/1,805,714.01 = 1,169,600.19/x - Step 3: Cross multiply
1,307,850.21x = 1,805,714.01 × 1,169,600.19 - Step 4: Simplify right side
1,307,850.21x = 2,111,963,449,181.66 - Step 5: Solve for x
x = 2,111,963,449,181.66/1,307,850.21 - Step 6: Final answer
x = 1,614,835.88
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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.