Finding the Fourth Proportional to 4,085,856.28, 6,128,768.01 and 1,245,960.23
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Solution
The fourth proportional to 4,085,856.28, 6,128,768.01 and 1,245,960.23 is: 1,868,935.34
Step by Step Solution
- Step 1: Write the proportion equation
4,085,856.28 : 6,128,768.01 = 1,245,960.23 : x - Step 2: Convert to fraction form
4,085,856.28/6,128,768.01 = 1,245,960.23/x - Step 3: Cross multiply
4,085,856.28x = 6,128,768.01 × 1,245,960.23 - Step 4: Simplify right side
4,085,856.28x = 7,636,201,199,356.24 - Step 5: Solve for x
x = 7,636,201,199,356.24/4,085,856.28 - Step 6: Final answer
x = 1,868,935.34
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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.