Finding the Fourth Proportional to 4,174,908.70, 6,263,343.12 and 1,296,128.47
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Solution
The fourth proportional to 4,174,908.70, 6,263,343.12 and 1,296,128.47 is: 1,944,496.97
Step by Step Solution
- Step 1: Write the proportion equation
4,174,908.70 : 6,263,343.12 = 1,296,128.47 : x - Step 2: Convert to fraction form
4,174,908.70/6,263,343.12 = 1,296,128.47/x - Step 3: Cross multiply
4,174,908.70x = 6,263,343.12 × 1,296,128.47 - Step 4: Simplify right side
4,174,908.70x = 8,118,097,335,210.63 - Step 5: Solve for x
x = 8,118,097,335,210.63/4,174,908.70 - Step 6: Final answer
x = 1,944,496.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.