Finding the Fourth Proportional to 1,862,120.44, 2,794,405.56 and 1,021,262.68
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Solution
The fourth proportional to 1,862,120.44, 2,794,405.56 and 1,021,262.68 is: 1,532,565.81
Step by Step Solution
- Step 1: Write the proportion equation
1,862,120.44 : 2,794,405.56 = 1,021,262.68 : x - Step 2: Convert to fraction form
1,862,120.44/2,794,405.56 = 1,021,262.68/x - Step 3: Cross multiply
1,862,120.44x = 2,794,405.56 × 1,021,262.68 - Step 4: Simplify right side
1,862,120.44x = 2,853,822,111,212.50 - Step 5: Solve for x
x = 2,853,822,111,212.50/1,862,120.44 - Step 6: Final answer
x = 1,532,565.81
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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.