Finding the Fourth Proportional to 2,164,922.67, 2,987,599.10 and 1,198,119.63
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Solution
The fourth proportional to 2,164,922.67, 2,987,599.10 and 1,198,119.63 is: 1,653,408.31
Step by Step Solution
- Step 1: Write the proportion equation
2,164,922.67 : 2,987,599.10 = 1,198,119.63 : x - Step 2: Convert to fraction form
2,164,922.67/2,987,599.10 = 1,198,119.63/x - Step 3: Cross multiply
2,164,922.67x = 2,987,599.10 × 1,198,119.63 - Step 4: Simplify right side
2,164,922.67x = 3,579,501,128,280.33 - Step 5: Solve for x
x = 3,579,501,128,280.33/2,164,922.67 - Step 6: Final answer
x = 1,653,408.31
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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.