Finding the Fourth Proportional to 1,353,141.48, 1,867,335.09 and 809,277.19
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Solution
The fourth proportional to 1,353,141.48, 1,867,335.09 and 809,277.19 is: 1,116,802.43
Step by Step Solution
- Step 1: Write the proportion equation
1,353,141.48 : 1,867,335.09 = 809,277.19 : x - Step 2: Convert to fraction form
1,353,141.48/1,867,335.09 = 809,277.19/x - Step 3: Cross multiply
1,353,141.48x = 1,867,335.09 × 809,277.19 - Step 4: Simplify right side
1,353,141.48x = 1,511,191,694,423.60 - Step 5: Solve for x
x = 1,511,191,694,423.60/1,353,141.48 - Step 6: Final answer
x = 1,116,802.43
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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.