Finding the Fourth Proportional to 3,124,785.06, 4,312,164.60 and 1,835,742.96
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Solution
The fourth proportional to 3,124,785.06, 4,312,164.60 and 1,835,742.96 is: 2,533,302.50
Step by Step Solution
- Step 1: Write the proportion equation
3,124,785.06 : 4,312,164.60 = 1,835,742.96 : x - Step 2: Convert to fraction form
3,124,785.06/4,312,164.60 = 1,835,742.96/x - Step 3: Cross multiply
3,124,785.06x = 4,312,164.60 × 1,835,742.96 - Step 4: Simplify right side
3,124,785.06x = 7,916,025,806,811.22 - Step 5: Solve for x
x = 7,916,025,806,811.22/3,124,785.06 - Step 6: Final answer
x = 2,533,302.50
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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.