Finding the Fourth Proportional to 1,533,148.43, 2,115,600.28 and 904,394.13
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Solution
The fourth proportional to 1,533,148.43, 2,115,600.28 and 904,394.13 is: 1,247,978.62
Step by Step Solution
- Step 1: Write the proportion equation
1,533,148.43 : 2,115,600.28 = 904,394.13 : x - Step 2: Convert to fraction form
1,533,148.43/2,115,600.28 = 904,394.13/x - Step 3: Cross multiply
1,533,148.43x = 2,115,600.28 × 904,394.13 - Step 4: Simplify right side
1,533,148.43x = 1,913,336,465,014.60 - Step 5: Solve for x
x = 1,913,336,465,014.60/1,533,148.43 - Step 6: Final answer
x = 1,247,978.62
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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.