Finding the Fourth Proportional to 1,369,386.12, 1,889,116.08 and 886,107.44
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Solution
The fourth proportional to 1,369,386.12, 1,889,116.08 and 886,107.44 is: 1,222,416.23
Step by Step Solution
- Step 1: Write the proportion equation
1,369,386.12 : 1,889,116.08 = 886,107.44 : x - Step 2: Convert to fraction form
1,369,386.12/1,889,116.08 = 886,107.44/x - Step 3: Cross multiply
1,369,386.12x = 1,889,116.08 × 886,107.44 - Step 4: Simplify right side
1,369,386.12x = 1,673,959,813,511.64 - Step 5: Solve for x
x = 1,673,959,813,511.64/1,369,386.12 - Step 6: Final answer
x = 1,222,416.23
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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.