Finding the Fourth Proportional to 2,431,781.78, 3,356,032.52 and 1,344,029.99
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Solution
The fourth proportional to 2,431,781.78, 3,356,032.52 and 1,344,029.99 is: 1,854,857.37
Step by Step Solution
- Step 1: Write the proportion equation
2,431,781.78 : 3,356,032.52 = 1,344,029.99 : x - Step 2: Convert to fraction form
2,431,781.78/3,356,032.52 = 1,344,029.99/x - Step 3: Cross multiply
2,431,781.78x = 3,356,032.52 × 1,344,029.99 - Step 4: Simplify right side
2,431,781.78x = 4,510,608,354,295.27 - Step 5: Solve for x
x = 4,510,608,354,295.27/2,431,781.78 - Step 6: Final answer
x = 1,854,857.37
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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.