Finding the Fourth Proportional to 2,531,502.44, 3,493,631.14 and 1,429,120.47
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Solution
The fourth proportional to 2,531,502.44, 3,493,631.14 and 1,429,120.47 is: 1,972,275.31
Step by Step Solution
- Step 1: Write the proportion equation
2,531,502.44 : 3,493,631.14 = 1,429,120.47 : x - Step 2: Convert to fraction form
2,531,502.44/3,493,631.14 = 1,429,120.47/x - Step 3: Cross multiply
2,531,502.44x = 3,493,631.14 × 1,429,120.47 - Step 4: Simplify right side
2,531,502.44x = 4,992,819,774,718.88 - Step 5: Solve for x
x = 4,992,819,774,718.88/2,531,502.44 - Step 6: Final answer
x = 1,972,275.31
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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.