Finding the Fourth Proportional to 1,853,276.99, 2,557,502.70 and 1,037,487.38
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Solution
The fourth proportional to 1,853,276.99, 2,557,502.70 and 1,037,487.38 is: 1,431,721.64
Step by Step Solution
- Step 1: Write the proportion equation
1,853,276.99 : 2,557,502.70 = 1,037,487.38 : x - Step 2: Convert to fraction form
1,853,276.99/2,557,502.70 = 1,037,487.38/x - Step 3: Cross multiply
1,853,276.99x = 2,557,502.70 × 1,037,487.38 - Step 4: Simplify right side
1,853,276.99x = 2,653,376,775,565.93 - Step 5: Solve for x
x = 2,653,376,775,565.93/1,853,276.99 - Step 6: Final answer
x = 1,431,721.64
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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.