Finding the Fourth Proportional to 3,875,417.26, 5,347,728.21 and 2,243,934.74
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Solution
The fourth proportional to 3,875,417.26, 5,347,728.21 and 2,243,934.74 is: 3,096,428.67
Step by Step Solution
- Step 1: Write the proportion equation
3,875,417.26 : 5,347,728.21 = 2,243,934.74 : x - Step 2: Convert to fraction form
3,875,417.26/5,347,728.21 = 2,243,934.74/x - Step 3: Cross multiply
3,875,417.26x = 5,347,728.21 × 2,243,934.74 - Step 4: Simplify right side
3,875,417.26x = 11,999,953,110,497.02 - Step 5: Solve for x
x = 11,999,953,110,497.02/3,875,417.26 - Step 6: Final answer
x = 3,096,428.67
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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.