Finding the Fourth Proportional to 2,618,403.36, 3,613,418.28 and 1,472,473.68
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Solution
The fourth proportional to 2,618,403.36, 3,613,418.28 and 1,472,473.68 is: 2,032,025.85
Step by Step Solution
- Step 1: Write the proportion equation
2,618,403.36 : 3,613,418.28 = 1,472,473.68 : x - Step 2: Convert to fraction form
2,618,403.36/3,613,418.28 = 1,472,473.68/x - Step 3: Cross multiply
2,618,403.36x = 3,613,418.28 × 1,472,473.68 - Step 4: Simplify right side
2,618,403.36x = 5,320,663,312,130.87 - Step 5: Solve for x
x = 5,320,663,312,130.87/2,618,403.36 - Step 6: Final answer
x = 2,032,025.85
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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.