Finding the Fourth Proportional to 4,454,679.16, 6,144,280.95 and 4,088,336.68
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Solution
The fourth proportional to 4,454,679.16, 6,144,280.95 and 4,088,336.68 is: 5,638,989.54
Step by Step Solution
- Step 1: Write the proportion equation
4,454,679.16 : 6,144,280.95 = 4,088,336.68 : x - Step 2: Convert to fraction form
4,454,679.16/6,144,280.95 = 4,088,336.68/x - Step 3: Cross multiply
4,454,679.16x = 6,144,280.95 × 4,088,336.68 - Step 4: Simplify right side
4,454,679.16x = 25,119,889,180,110.25 - Step 5: Solve for x
x = 25,119,889,180,110.25/4,454,679.16 - Step 6: Final answer
x = 5,638,989.54
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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.