Finding the Fourth Proportional to 7,424,949.64, 10,246,453.27 and 4,117,476.75
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Solution
The fourth proportional to 7,424,949.64, 10,246,453.27 and 4,117,476.75 is: 5,682,130.54
Step by Step Solution
- Step 1: Write the proportion equation
7,424,949.64 : 10,246,453.27 = 4,117,476.75 : x - Step 2: Convert to fraction form
7,424,949.64/10,246,453.27 = 4,117,476.75/x - Step 3: Cross multiply
7,424,949.64x = 10,246,453.27 × 4,117,476.75 - Step 4: Simplify right side
7,424,949.64x = 42,189,533,109,186.47 - Step 5: Solve for x
x = 42,189,533,109,186.47/7,424,949.64 - Step 6: Final answer
x = 5,682,130.54
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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.