Finding the Fourth Proportional to 1,639,125.53, 2,262,021.08 and 904,164.12
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Solution
The fourth proportional to 1,639,125.53, 2,262,021.08 and 904,164.12 is: 1,247,761.85
Step by Step Solution
- Step 1: Write the proportion equation
1,639,125.53 : 2,262,021.08 = 904,164.12 : x - Step 2: Convert to fraction form
1,639,125.53/2,262,021.08 = 904,164.12/x - Step 3: Cross multiply
1,639,125.53x = 2,262,021.08 × 904,164.12 - Step 4: Simplify right side
1,639,125.53x = 2,045,238,294,698.83 - Step 5: Solve for x
x = 2,045,238,294,698.83/1,639,125.53 - Step 6: Final answer
x = 1,247,761.85
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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.