Finding the Fourth Proportional to 4,085,819.71, 5,638,013.94 and 2,515,702.21
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Solution
The fourth proportional to 4,085,819.71, 5,638,013.94 and 2,515,702.21 is: 3,471,412.14
Step by Step Solution
- Step 1: Write the proportion equation
4,085,819.71 : 5,638,013.94 = 2,515,702.21 : x - Step 2: Convert to fraction form
4,085,819.71/5,638,013.94 = 2,515,702.21/x - Step 3: Cross multiply
4,085,819.71x = 5,638,013.94 × 2,515,702.21 - Step 4: Simplify right side
4,085,819.71x = 14,183,564,128,868.81 - Step 5: Solve for x
x = 14,183,564,128,868.81/4,085,819.71 - Step 6: Final answer
x = 3,471,412.14
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1.5x scale
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.