Finding the Fourth Proportional to 3,937,328.76, 5,906,485.62 and 1,540,863.84
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Solution
The fourth proportional to 3,937,328.76, 5,906,485.62 and 1,540,863.84 is: 2,311,488.49
Step by Step Solution
- Step 1: Write the proportion equation
3,937,328.76 : 5,906,485.62 = 1,540,863.84 : x - Step 2: Convert to fraction form
3,937,328.76/5,906,485.62 = 1,540,863.84/x - Step 3: Cross multiply
3,937,328.76x = 5,906,485.62 × 1,540,863.84 - Step 4: Simplify right side
3,937,328.76x = 9,101,090,113,337.98 - Step 5: Solve for x
x = 9,101,090,113,337.98/3,937,328.76 - Step 6: Final answer
x = 2,311,488.49
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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.