Finding the Fourth Proportional to 5,723,934.74, 7,899,332.64 and 3,243,636.84
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Solution
The fourth proportional to 5,723,934.74, 7,899,332.64 and 3,243,636.84 is: 4,476,390.37
Step by Step Solution
- Step 1: Write the proportion equation
5,723,934.74 : 7,899,332.64 = 3,243,636.84 : x - Step 2: Convert to fraction form
5,723,934.74/7,899,332.64 = 3,243,636.84/x - Step 3: Cross multiply
5,723,934.74x = 7,899,332.64 × 3,243,636.84 - Step 4: Simplify right side
5,723,934.74x = 25,622,566,362,518.46 - Step 5: Solve for x
x = 25,622,566,362,518.46/5,723,934.74 - Step 6: Final answer
x = 4,476,390.37
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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.