Finding the Fourth Proportional to 1,609,422.40, 2,414,133.60 and 1,010,804.05
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Solution
The fourth proportional to 1,609,422.40, 2,414,133.60 and 1,010,804.05 is: 1,516,206.08
Step by Step Solution
- Step 1: Write the proportion equation
1,609,422.40 : 2,414,133.60 = 1,010,804.05 : x - Step 2: Convert to fraction form
1,609,422.40/2,414,133.60 = 1,010,804.05/x - Step 3: Cross multiply
1,609,422.40x = 2,414,133.60 × 1,010,804.05 - Step 4: Simplify right side
1,609,422.40x = 2,440,216,020,121.08 - Step 5: Solve for x
x = 2,440,216,020,121.08/1,609,422.40 - Step 6: Final answer
x = 1,516,206.08
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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.