Finding the Fourth Proportional to 1,853,275.99, 2,557,501.32 and 1,037,486.38
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Solution
The fourth proportional to 1,853,275.99, 2,557,501.32 and 1,037,486.38 is: 1,431,720.26
Step by Step Solution
- Step 1: Write the proportion equation
1,853,275.99 : 2,557,501.32 = 1,037,486.38 : x - Step 2: Convert to fraction form
1,853,275.99/2,557,501.32 = 1,037,486.38/x - Step 3: Cross multiply
1,853,275.99x = 2,557,501.32 × 1,037,486.38 - Step 4: Simplify right side
1,853,275.99x = 2,653,372,786,332.02 - Step 5: Solve for x
x = 2,653,372,786,332.02/1,853,275.99 - Step 6: Final answer
x = 1,431,720.26
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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.