Finding the Fourth Proportional to 4,702,288.14, 6,489,228.74 and 2,637,761.36
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Solution
The fourth proportional to 4,702,288.14, 6,489,228.74 and 2,637,761.36 is: 3,640,150.55
Step by Step Solution
- Step 1: Write the proportion equation
4,702,288.14 : 6,489,228.74 = 2,637,761.36 : x - Step 2: Convert to fraction form
4,702,288.14/6,489,228.74 = 2,637,761.36/x - Step 3: Cross multiply
4,702,288.14x = 6,489,228.74 × 2,637,761.36 - Step 4: Simplify right side
4,702,288.14x = 17,117,036,780,938.54 - Step 5: Solve for x
x = 17,117,036,780,938.54/4,702,288.14 - Step 6: Final answer
x = 3,640,150.55
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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.