Finding the Fourth Proportional to 3,128,184.40, 4,692,358.14 and 998,265.64
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Solution
The fourth proportional to 3,128,184.40, 4,692,358.14 and 998,265.64 is: 1,497,424.48
Step by Step Solution
- Step 1: Write the proportion equation
3,128,184.40 : 4,692,358.14 = 998,265.64 : x - Step 2: Convert to fraction form
3,128,184.40/4,692,358.14 = 998,265.64/x - Step 3: Cross multiply
3,128,184.40x = 4,692,358.14 × 998,265.64 - Step 4: Simplify right side
3,128,184.40x = 4,684,219,901,736.31 - Step 5: Solve for x
x = 4,684,219,901,736.31/3,128,184.40 - Step 6: Final answer
x = 1,497,424.48
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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.