Finding the Fourth Proportional to 1,797,905.20, 2,696,857.80 and 468,209.20
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Solution
The fourth proportional to 1,797,905.20, 2,696,857.80 and 468,209.20 is: 702,313.80
Step by Step Solution
- Step 1: Write the proportion equation
1,797,905.20 : 2,696,857.80 = 468,209.20 : x - Step 2: Convert to fraction form
1,797,905.20/2,696,857.80 = 468,209.20/x - Step 3: Cross multiply
1,797,905.20x = 2,696,857.80 × 468,209.20 - Step 4: Simplify right side
1,797,905.20x = 1,262,693,633,051.76 - Step 5: Solve for x
x = 1,262,693,633,051.76/1,797,905.20 - Step 6: Final answer
x = 702,313.80
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1.5x scale
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.