Finding the Fourth Proportional to 1,451,618.40, 2,174,803.20 and 889,996.80
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Solution
The fourth proportional to 1,451,618.40, 2,174,803.20 and 889,996.80 is: 1,333,386.16
Step by Step Solution
- Step 1: Write the proportion equation
1,451,618.40 : 2,174,803.20 = 889,996.80 : x - Step 2: Convert to fraction form
1,451,618.40/2,174,803.20 = 889,996.80/x - Step 3: Cross multiply
1,451,618.40x = 2,174,803.20 × 889,996.80 - Step 4: Simplify right side
1,451,618.40x = 1,935,567,888,629.76 - Step 5: Solve for x
x = 1,935,567,888,629.76/1,451,618.40 - Step 6: Final answer
x = 1,333,386.16
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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.