Finding the Fourth Proportional to 1,704,422.69, 2,351,260.73 and 1,115,373.41
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Solution
The fourth proportional to 1,704,422.69, 2,351,260.73 and 1,115,373.41 is: 1,538,663.91
Step by Step Solution
- Step 1: Write the proportion equation
1,704,422.69 : 2,351,260.73 = 1,115,373.41 : x - Step 2: Convert to fraction form
1,704,422.69/2,351,260.73 = 1,115,373.41/x - Step 3: Cross multiply
1,704,422.69x = 2,351,260.73 × 1,115,373.41 - Step 4: Simplify right side
1,704,422.69x = 2,622,533,680,886.02 - Step 5: Solve for x
x = 2,622,533,680,886.02/1,704,422.69 - Step 6: Final answer
x = 1,538,663.91
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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.