Finding the Fourth Proportional to 3,065,629.48, 4,230,569.84 and 1,777,216.74
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Solution
The fourth proportional to 3,065,629.48, 4,230,569.84 and 1,777,216.74 is: 2,452,559.77
Step by Step Solution
- Step 1: Write the proportion equation
3,065,629.48 : 4,230,569.84 = 1,777,216.74 : x - Step 2: Convert to fraction form
3,065,629.48/4,230,569.84 = 1,777,216.74/x - Step 3: Cross multiply
3,065,629.48x = 4,230,569.84 × 1,777,216.74 - Step 4: Simplify right side
3,065,629.48x = 7,518,639,539,387.12 - Step 5: Solve for x
x = 7,518,639,539,387.12/3,065,629.48 - Step 6: Final answer
x = 2,452,559.77
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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.