Finding the Fourth Proportional to 1,310,490.77, 1,809,035.24 and 881,020.06
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Solution
The fourth proportional to 1,310,490.77, 1,809,035.24 and 881,020.06 is: 1,216,182.80
Step by Step Solution
- Step 1: Write the proportion equation
1,310,490.77 : 1,809,035.24 = 881,020.06 : x - Step 2: Convert to fraction form
1,310,490.77/1,809,035.24 = 881,020.06/x - Step 3: Cross multiply
1,310,490.77x = 1,809,035.24 × 881,020.06 - Step 4: Simplify right side
1,310,490.77x = 1,593,796,326,759.23 - Step 5: Solve for x
x = 1,593,796,326,759.23/1,310,490.77 - Step 6: Final answer
x = 1,216,182.80
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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.